diff --git a/examples/3dtiles_25d.html b/examples/3dtiles_25d.html
index 5fb3973f63..c8f9279ba7 100644
--- a/examples/3dtiles_25d.html
+++ b/examples/3dtiles_25d.html
@@ -16,7 +16,7 @@
         <script src="js/GUI/GuiTools.js"></script>
         <script src="js/3dTilesHelper.js"></script>
         <script type="text/javascript">
-            // Define projection that we will use (taken from https://epsg.io/3946, Proj4js section)
+            // Define crs projection that we will use (taken from https://epsg.io/3946, Proj4js section)
             itowns.proj4.defs('EPSG:3946', '+proj=lcc +lat_1=45.25 +lat_2=46.75 +lat_0=46 +lon_0=3 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs');
 
             // Define geographic extent: CRS, min/max X, min/max Y
@@ -41,7 +41,7 @@
                 name: 'Ortho2009_vue_ensemble_16cm_CC46',
                 url: 'https://download.data.grandlyon.com/wms/grandlyon',
                 version: '1.3.0',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 format: 'image/jpeg',
             });
 
@@ -61,7 +61,7 @@
                 extent: extent,
                 url: 'https://download.data.grandlyon.com/wms/grandlyon',
                 name: 'MNT2012_Altitude_10m_CC46',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 width: 256,
                 format: 'image/jpeg',
             });
diff --git a/examples/js/plugins/DragNDrop.js b/examples/js/plugins/DragNDrop.js
index 68c2bc5a1d..52f60e0769 100644
--- a/examples/js/plugins/DragNDrop.js
+++ b/examples/js/plugins/DragNDrop.js
@@ -6,7 +6,7 @@
  * displayed are stored in the plugin. Use the method `register` to declare the
  * way a file is read, parsed and displayed.
  *
- * Note: only files with the projection `EPSG:4326` can be projected correctly
+ * Note: only files with the crs projection `EPSG:4326` can be projected correctly
  * using this plugin.
  *
  * @module DragNDrop
@@ -78,7 +78,7 @@ var DragNDrop = (function _() {
 
                     var source = new itowns.FileSource({
                         parsedData: result,
-                        projection: 'EPSG:4326',
+                        crs: 'EPSG:4326',
                     });
 
                     var randomColor = Math.round(Math.random() * 0xffffff);
diff --git a/examples/layers/JSONLayers/Administrative.json b/examples/layers/JSONLayers/Administrative.json
index 4ee507386e..5484f3a98a 100644
--- a/examples/layers/JSONLayers/Administrative.json
+++ b/examples/layers/JSONLayers/Administrative.json
@@ -5,7 +5,7 @@
   "opacity": 1,
   "transparent": true,
   "source": {
-    "projection": "EPSG:3857",
+    "crs": "EPSG:3857",
     "url": "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
     "format": "image/png",
     "name": "LIMITES_ADMINISTRATIVES_EXPRESS.LATEST",
diff --git a/examples/layers/JSONLayers/Cada.json b/examples/layers/JSONLayers/Cada.json
index 0c5fca7d75..ceb2314649 100644
--- a/examples/layers/JSONLayers/Cada.json
+++ b/examples/layers/JSONLayers/Cada.json
@@ -6,7 +6,7 @@
   "transparent": true,
   "source": {
     "url": "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
-    "projection": "EPSG:3857",
+    "crs": "EPSG:3857",
     "networkOptions": {
       "crossOrigin": "omit"
     },
diff --git a/examples/layers/JSONLayers/Cassini.json b/examples/layers/JSONLayers/Cassini.json
index 3d3714ccc4..4a18128ff6 100644
--- a/examples/layers/JSONLayers/Cassini.json
+++ b/examples/layers/JSONLayers/Cassini.json
@@ -2,7 +2,7 @@
     "id":         "Cassini",
     "source": {
         "url": "http://wxs.ign.fr/va5orxd0pgzvq3jxutqfuy0b/geoportail/wmts",
-        "projection": "EPSG:3857",
+        "crs": "EPSG:3857",
         "networkOptions": {
             "crossOrigin": "anonymous"
         },
diff --git a/examples/layers/JSONLayers/DARK.json b/examples/layers/JSONLayers/DARK.json
index 9ddf571df2..da7f5ba93b 100644
--- a/examples/layers/JSONLayers/DARK.json
+++ b/examples/layers/JSONLayers/DARK.json
@@ -1,7 +1,7 @@
 {
     "id": "DARK",
     "source": {
-        "projection": "EPSG:3857",
+        "crs": "EPSG:3857",
 	    "networkOptions": { "crossOrigin" : "anonymous" },
         "format": "image/png",
         "url": "http://a.basemaps.cartocdn.com/dark_all/${z}/${x}/${y}.png",
diff --git a/examples/layers/JSONLayers/Denomination.json b/examples/layers/JSONLayers/Denomination.json
index 3504c68414..77c41de780 100644
--- a/examples/layers/JSONLayers/Denomination.json
+++ b/examples/layers/JSONLayers/Denomination.json
@@ -6,7 +6,7 @@
   "transparent": true,
   "source": {
     "url": "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
-    "projection": "EPSG:3857",
+    "crs": "EPSG:3857",
     "tileMatrixSet": "PM",
     "format": "image/png",
     "name": "GEOGRAPHICALNAMES.NAMES",
diff --git a/examples/layers/JSONLayers/EtatMajor.json b/examples/layers/JSONLayers/EtatMajor.json
index 6329980c39..8bdf8f4125 100644
--- a/examples/layers/JSONLayers/EtatMajor.json
+++ b/examples/layers/JSONLayers/EtatMajor.json
@@ -3,7 +3,7 @@
     "opacity": 1,
     "transparent": true,
     "source": {
-        "projection": "EPSG:3857",
+        "crs": "EPSG:3857",
         "url":        "http://wxs.ign.fr/va5orxd0pgzvq3jxutqfuy0b/geoportail/wmts",
         "networkOptions": {
             "crossOrigin": "anonymous"
diff --git a/examples/layers/JSONLayers/GeoidMNT.json b/examples/layers/JSONLayers/GeoidMNT.json
index b88c52c1cc..d749d57884 100644
--- a/examples/layers/JSONLayers/GeoidMNT.json
+++ b/examples/layers/JSONLayers/GeoidMNT.json
@@ -8,7 +8,7 @@
     "source": {
         "url": "https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/geoid/geoid/bil/%TILEMATRIX/geoid_%COL_%ROW.bil",
         "format": "image/x-bil;bits=32",
-        "projection": "EPSG:4326",
+        "crs": "EPSG:4326",
         "tileMatrixSet": "WGS84G",
         "tileMatrixSetLimits": {
             "0": {
diff --git a/examples/layers/JSONLayers/IGN_MNT.json b/examples/layers/JSONLayers/IGN_MNT.json
index bbf7afdc7b..53f50a5ef7 100644
--- a/examples/layers/JSONLayers/IGN_MNT.json
+++ b/examples/layers/JSONLayers/IGN_MNT.json
@@ -9,7 +9,7 @@
     },
     "source": {
         "url":        "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
-        "projection": "EPSG:4326",
+        "crs": "EPSG:4326",
         "format": "image/x-bil;bits=32",
         "attribution" : {
             "name":"IGN",
diff --git a/examples/layers/JSONLayers/IGN_MNT_HIGHRES.json b/examples/layers/JSONLayers/IGN_MNT_HIGHRES.json
index c283bc01e6..f505816b59 100644
--- a/examples/layers/JSONLayers/IGN_MNT_HIGHRES.json
+++ b/examples/layers/JSONLayers/IGN_MNT_HIGHRES.json
@@ -9,7 +9,7 @@
 	},
 	"source": {
 		"url":        "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
-        "projection": "EPSG:4326",
+        "crs": "EPSG:4326",
 		"format": "image/x-bil;bits=32",
 		"attribution" : {
 			"name":"IGN",
diff --git a/examples/layers/JSONLayers/OPENSM.json b/examples/layers/JSONLayers/OPENSM.json
index a82627d605..d9377913c3 100644
--- a/examples/layers/JSONLayers/OPENSM.json
+++ b/examples/layers/JSONLayers/OPENSM.json
@@ -1,7 +1,7 @@
 {
     "id": "OPENSM",
     "source": {
-        "projection": "EPSG:3857",
+        "crs": "EPSG:3857",
         "isInverted": true,
         "format": "image/png",
         "url": "http://osm.oslandia.io/styles/klokantech-basic/${z}/${x}/${y}.png",
diff --git a/examples/layers/JSONLayers/Ortho.json b/examples/layers/JSONLayers/Ortho.json
index ac4c4f179f..5a3664341f 100644
--- a/examples/layers/JSONLayers/Ortho.json
+++ b/examples/layers/JSONLayers/Ortho.json
@@ -2,7 +2,7 @@
     "id":   "Ortho",
     "source": {
         "url": "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
-        "projection": "EPSG:3857",
+        "crs": "EPSG:3857",
         "networkOptions": {
             "crossOrigin": "anonymous"
         },
diff --git a/examples/layers/JSONLayers/Railways.json b/examples/layers/JSONLayers/Railways.json
index 8442aebca5..615244f173 100644
--- a/examples/layers/JSONLayers/Railways.json
+++ b/examples/layers/JSONLayers/Railways.json
@@ -5,7 +5,7 @@
   "opacity": 1,
   "transparent": true,
   "source": {
-    "projection": "EPSG:3857",
+    "crs": "EPSG:3857",
     "url": "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
     "format": "image/png",
     "networkOptions": {
diff --git a/examples/layers/JSONLayers/Region.json b/examples/layers/JSONLayers/Region.json
index 6d11dffffd..45f6670bc4 100644
--- a/examples/layers/JSONLayers/Region.json
+++ b/examples/layers/JSONLayers/Region.json
@@ -9,7 +9,7 @@
         "version"   : "1.3.0",
         "name"      : "REGIONS.2017",
         "style"      : "",
-        "projection" : "EPSG:3857",
+        "crs" : "EPSG:3857",
         "extent": {
             "west": "-6880639.13669047",
             "east": "6215707.87640867",
diff --git a/examples/layers/JSONLayers/ScanEX.json b/examples/layers/JSONLayers/ScanEX.json
index 894d808078..1ffd62de3d 100644
--- a/examples/layers/JSONLayers/ScanEX.json
+++ b/examples/layers/JSONLayers/ScanEX.json
@@ -2,7 +2,7 @@
     "id":         "ScanEX",
     "fx" :        2.5,
     "source": {
-        "projection": "EPSG:3857",
+        "crs": "EPSG:3857",
         "url": "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
         "format": "image/jpeg",
         "name": "GEOGRAPHICALGRIDSYSTEMS.MAPS.SCAN-EXPRESS.STANDARD",
diff --git a/examples/layers/JSONLayers/Top25.json b/examples/layers/JSONLayers/Top25.json
index 3d7f358240..753a67f444 100644
--- a/examples/layers/JSONLayers/Top25.json
+++ b/examples/layers/JSONLayers/Top25.json
@@ -1,11 +1,11 @@
 {
     "id":         "Top25",
     "source": {
-        "projection": "EPSG:3857",
+        "crs": "EPSG:3857",
         "url":        "http://wxs.ign.fr/va5orxd0pgzvq3jxutqfuy0b/geoportail/wmts",
         "networkOptions": {
             "crossOrigin": "anonymous"
-        },    
+        },
         "format": "image/jpeg",
         "attribution" : {
             "name":"IGN",
diff --git a/examples/layers/JSONLayers/Transport.json b/examples/layers/JSONLayers/Transport.json
index 4d4b98bf66..ce1b555b99 100644
--- a/examples/layers/JSONLayers/Transport.json
+++ b/examples/layers/JSONLayers/Transport.json
@@ -5,7 +5,7 @@
   "opacity": 1,
   "transparent": true,
   "source": {
-    "projection": "EPSG:3857",
+    "crs": "EPSG:3857",
     "url": "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
     "format": "image/png",
     "networkOptions": {
diff --git a/examples/layers/JSONLayers/WORLD_DTM.json b/examples/layers/JSONLayers/WORLD_DTM.json
index 5998c4e58c..2932e6e2bf 100644
--- a/examples/layers/JSONLayers/WORLD_DTM.json
+++ b/examples/layers/JSONLayers/WORLD_DTM.json
@@ -10,7 +10,7 @@
     },
     "source": {
         "format": "image/x-bil;bits=32",
-        "projection": "EPSG:4326",
+        "crs": "EPSG:4326",
         "url":        "https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wmts",
         "name": "ELEVATION.ELEVATIONGRIDCOVERAGE.SRTM3",
         "tileMatrixSet": "WGS84G",
diff --git a/examples/misc_compare_25d_3d.html b/examples/misc_compare_25d_3d.html
index 2f83c21771..45b042a6fd 100644
--- a/examples/misc_compare_25d_3d.html
+++ b/examples/misc_compare_25d_3d.html
@@ -54,7 +54,7 @@
         <script src="../dist/itowns.js"></script>
         <script src="../dist/debug.js"></script>
         <script type="text/javascript">
-            // Define projection that we will use (taken from https://epsg.io/3946, Proj4js section)
+            // Define crs projection that we will use (taken from https://epsg.io/3946, Proj4js section)
             itowns.proj4.defs('EPSG:3946', '+proj=lcc +lat_1=45.25 +lat_2=46.75 +lat_0=46 +lon_0=3 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs');
             /* global itowns, document, GuiTools, Promise */
             var placement = {
@@ -140,7 +140,7 @@
                 name: 'Ortho2009_vue_ensemble_16cm_CC46',
                 url: 'https://download.data.grandlyon.com/wms/grandlyon',
                 version: '1.3.0',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 format: 'image/jpeg',
             });
 
diff --git a/examples/plugins_drag_n_drop.html b/examples/plugins_drag_n_drop.html
index 753852fef3..dbe95d3ce8 100644
--- a/examples/plugins_drag_n_drop.html
+++ b/examples/plugins_drag_n_drop.html
@@ -12,7 +12,7 @@
         <div id="viewerDiv">
             <div id="description">Drag and drop a Geojson or Gpx file onto the
                 viewer, and see it loaded as a ColorLayer. Only files with the
-                projection <b>EPSG:4326</b> can be projected correctly in this
+                crs projection <b>EPSG:4326</b> can be projected correctly in this
                 demo. More information about the plugin used <a
                  href="http://www.itowns-project.org/itowns/docs/#api/Plugins/DragNDrop"
                  target="_blank">in the documentation.</a></div>
diff --git a/examples/plugins_pyramidal_tiff.html b/examples/plugins_pyramidal_tiff.html
index 9f754c4903..4c9c4f9341 100644
--- a/examples/plugins_pyramidal_tiff.html
+++ b/examples/plugins_pyramidal_tiff.html
@@ -37,7 +37,7 @@
             var tiffSource = new itowns.TMSSource({
                 url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/geoid/localcolors/tiff/${z}/localcolors_${x}_${y}.tif',
                 tileMatrixSet: 'WGS84G',
-                projection: 'EPSG:4326',
+                crs: 'EPSG:4326',
                 parser: TIFFParser.parse,
                 fetcher: itowns.Fetcher.arrayBuffer,
                 zoom: { min: 0, max: 4 },
diff --git a/examples/potree_25d_map.html b/examples/potree_25d_map.html
index eecefc22ba..9987b3f25b 100644
--- a/examples/potree_25d_map.html
+++ b/examples/potree_25d_map.html
@@ -61,7 +61,7 @@
                     source: new itowns.PotreeSource({
                         file: 'eglise_saint_blaise_arles.js',
                         url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/pointclouds/eglise_saint_blaise_arles',
-                        projection: view.referenceCrs,
+                        crs: view.referenceCrs,
                     }),
                 });
 
diff --git a/examples/potree_3d_map.html b/examples/potree_3d_map.html
index 4f425bfac4..2df2b1a1e8 100644
--- a/examples/potree_3d_map.html
+++ b/examples/potree_3d_map.html
@@ -65,7 +65,7 @@
                 source: new itowns.PotreeSource({
                     file: 'eglise_saint_blaise_arles.js',
                     url: 'https://raw.githubusercontent.com/gmaillet/dataset/master/',
-                    projection: view.referenceCrs,
+                    crs: view.referenceCrs,
                 }),
             });
 
diff --git a/examples/source_file_geojson_3d.html b/examples/source_file_geojson_3d.html
index c9c602714f..1c677c372d 100644
--- a/examples/source_file_geojson_3d.html
+++ b/examples/source_file_geojson_3d.html
@@ -51,7 +51,7 @@
                 // Use a FileSource to load a single file once
                 source: new itowns.FileSource({
                     url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/multipolygon.geojson',
-                    projection: 'EPSG:4326',
+                    crs: 'EPSG:4326',
                     format: 'application/json',
                 }),
                 zoom: { min: 10 },
diff --git a/examples/source_file_gpx_raster.html b/examples/source_file_gpx_raster.html
index 6ff6a64c82..30ff7017d7 100644
--- a/examples/source_file_gpx_raster.html
+++ b/examples/source_file_gpx_raster.html
@@ -82,7 +82,7 @@
 
                     var gpxSource = new itowns.FileSource({
                         fetchedData: gpx,
-                        projection: 'EPSG:4326',
+                        crs: 'EPSG:4326',
                         parser: itowns.GpxParser.parse,
                     });
 
diff --git a/examples/source_file_kml_raster.html b/examples/source_file_kml_raster.html
index 6058f86ccf..87a381ed21 100644
--- a/examples/source_file_kml_raster.html
+++ b/examples/source_file_kml_raster.html
@@ -59,7 +59,7 @@
             // Fetch, Parse and Convert by iTowns
             var kmlSource = new itowns.FileSource({
                 url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/croquis.kml',
-                projection: 'EPSG:4326',
+                crs: 'EPSG:4326',
                 fetcher: itowns.Fetcher.xml,
                 parser: itowns.KMLParser.parse,
             });
diff --git a/examples/source_stream_wfs_25d.html b/examples/source_stream_wfs_25d.html
index b4a098420f..237e638ae5 100644
--- a/examples/source_stream_wfs_25d.html
+++ b/examples/source_stream_wfs_25d.html
@@ -28,7 +28,7 @@
         <script src="../dist/itowns.js"></script>
         <script src="js/GUI/LoadingScreen.js"></script>
         <script type="text/javascript">
-            // Define projection that we will use (taken from https://epsg.io/3946, Proj4js section)
+            // Define crs projection that we will use (taken from https://epsg.io/3946, Proj4js section)
             itowns.proj4.defs('EPSG:3946', '+proj=lcc +lat_1=45.25 +lat_2=46.75 +lat_0=46 +lon_0=3 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs');
             /* global itowns,document, setupLoadingScreen, window */
 
@@ -68,7 +68,7 @@
                 networkOptions: { crossOrigin: 'anonymous' },
                 version: '1.3.0',
                 name: 'Ortho2009_vue_ensemble_16cm_CC46',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 extent: extent,
                 format: 'image/jpeg',
             });
@@ -86,7 +86,7 @@
                 extent: extent,
                 url: 'https://download.data.grandlyon.com/wms/grandlyon',
                 name: 'MNT2012_Altitude_10m_CC46',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 width: 256,
                 format: 'image/jpeg',
             });
@@ -152,7 +152,7 @@
                 version: '2.0.0',
                 id: 'tcl_bus',
                 typeName: 'tcl_sytral.tcllignebus',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 extent: {
                     west: 1822174.60,
                     east: 1868247.07,
@@ -219,7 +219,7 @@
                 url: 'https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wfs?',
                 version: '2.0.0',
                 typeName: 'BDTOPO_BDD_WLD_WGS84G:bati_remarquable,BDTOPO_BDD_WLD_WGS84G:bati_indifferencie,BDTOPO_BDD_WLD_WGS84G:bati_industriel',
-                projection: 'EPSG:4326',
+                crs: 'EPSG:4326',
                 ipr: 'IGN',
                 format: 'application/json',
                 extent: {
@@ -243,7 +243,7 @@
                 },
                 filter: acceptFeature,
                 overrideAltitudeInToZero: true,
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 source: wfsBuildingSource,
                 zoom: { min: 4 },
             });
@@ -254,7 +254,7 @@
                 url: 'https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wfs?',
                 version: '2.0.0',
                 typeName: 'BDCARTO_BDD_WLD_WGS84G:zone_habitat',
-                projection: 'EPSG:4326',
+                crs: 'EPSG:4326',
                 ipr: 'IGN',
                 format: 'application/json',
                 extent: {
@@ -277,7 +277,7 @@
             });
 
             var wfsCartoLayer = new itowns.LabelLayer('wfsCarto', 'EPSG:3946');
-            wfsCartoLayer.projection = 'EPSG:3946';
+            wfsCartoLayer.crs = 'EPSG:3946';
             wfsCartoLayer.source = wfsCartoSource;
             wfsCartoLayer.style = wfsCartoStyle;
 
diff --git a/examples/source_stream_wfs_3d.html b/examples/source_stream_wfs_3d.html
index 175653173c..7de8e9f6dd 100644
--- a/examples/source_stream_wfs_3d.html
+++ b/examples/source_stream_wfs_3d.html
@@ -21,7 +21,7 @@
             </ul>
         </div>
         <script type="text/javascript">
-            // Define projection that we will use (taken from https://epsg.io/3946, Proj4js section)
+            // Define crs projection that we will use (taken from https://epsg.io/3946, Proj4js section)
             itowns.proj4.defs('EPSG:3946', '+proj=lcc +lat_1=45.25 +lat_2=46.75 +lat_0=46 +lon_0=3 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs');
             // # Simple Globe viewer
 
@@ -100,7 +100,7 @@
                 url: 'https://download.data.grandlyon.com/wfs/rdata?',
                 version: '2.0.0',
                 typeName: 'tcl_sytral.tcllignebus',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 extent: {
                     west: 1822174.60,
                     east: 1868247.07,
@@ -167,7 +167,7 @@
                 url: 'https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wfs?',
                 version: '2.0.0',
                 typeName: 'BDTOPO_BDD_WLD_WGS84G:bati_remarquable,BDTOPO_BDD_WLD_WGS84G:bati_indifferencie,BDTOPO_BDD_WLD_WGS84G:bati_industriel',
-                projection: 'EPSG:4326',
+                crs: 'EPSG:4326',
                 ipr: 'IGN',
                 format: 'application/json',
                 extent: {
diff --git a/examples/source_stream_wfs_raster.html b/examples/source_stream_wfs_raster.html
index fe553747a9..13e6da0969 100644
--- a/examples/source_stream_wfs_raster.html
+++ b/examples/source_stream_wfs_raster.html
@@ -63,7 +63,7 @@
                 url: 'https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wfs?',
                 version: '2.0.0',
                 typeName: 'BDTOPO_BDD_WLD_WGS84G:bati_remarquable,BDTOPO_BDD_WLD_WGS84G:bati_indifferencie,BDTOPO_BDD_WLD_WGS84G:bati_industriel',
-                projection: 'EPSG:4326',
+                crs: 'EPSG:4326',
                 extent: {
                     west: 4.568,
                     east: 5.18,
diff --git a/examples/view_25d_map.html b/examples/view_25d_map.html
index d441c4723d..738b846200 100644
--- a/examples/view_25d_map.html
+++ b/examples/view_25d_map.html
@@ -28,7 +28,7 @@
         <script src="../dist/debug.js"></script>
         <script src="js/GUI/GuiTools.js"></script>
         <script type="text/javascript">
-            // Define projection that we will use (taken from https://epsg.io/3946, Proj4js section)
+            // Define crs projection that we will use (taken from https://epsg.io/3946, Proj4js section)
             itowns.proj4.defs('EPSG:3946', '+proj=lcc +lat_1=45.25 +lat_2=46.75 +lat_0=46 +lon_0=3 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs');
             /* global itowns, setupLoadingScreen, GuiTools, debug */
             // # Planar (EPSG:3946) viewer
@@ -59,7 +59,7 @@
                 name: 'Ortho2009_vue_ensemble_16cm_CC46',
                 url: 'https://download.data.grandlyon.com/wms/grandlyon',
                 version: '1.3.0',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 format: 'image/jpeg',
             });
 
@@ -79,7 +79,7 @@
                 extent: extent,
                 url: 'https://download.data.grandlyon.com/wms/grandlyon',
                 name: 'MNT2012_Altitude_10m_CC46',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 width: 256,
                 format: 'image/jpeg',
             });
diff --git a/examples/view_2d_map.html b/examples/view_2d_map.html
index 1bfa235985..b4cdf3a1ca 100644
--- a/examples/view_2d_map.html
+++ b/examples/view_2d_map.html
@@ -51,7 +51,7 @@
                 url: 'http://c.tile.stamen.com/watercolor/${z}/${x}/${y}.jpg',
                 networkOptions: { crossOrigin: 'anonymous' },
                 extent,
-                projection: 'EPSG:3857',
+                crs: 'EPSG:3857',
                 attribution: {
                     name: 'OpenStreetMap',
                     url: 'http://www.openstreetmap.org/',
diff --git a/examples/view_immersive.html b/examples/view_immersive.html
index 9e6a79dba8..7fab59145e 100644
--- a/examples/view_immersive.html
+++ b/examples/view_immersive.html
@@ -22,7 +22,7 @@
         <script src="js/GUI/GuiTools.js"></script>
         <script src="../dist/debug.js"></script>
         <script type="text/javascript">
-            // Define projection that we will use (taken from https://epsg.io/2154, Proj4js section)
+            // Define crs projection that we will use (taken from https://epsg.io/2154, Proj4js section)
             itowns.proj4.defs('EPSG:2154', '+proj=lcc +lat_1=49 +lat_2=44 +lat_0=46.5 +lon_0=3 +x_0=700000 +y_0=6600000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs');
 
             // Define initial camera position
@@ -104,7 +104,7 @@
                 // Radius in meter of the sphere used as a background.
                 backgroundDistance: 1200,
                 source: orientedImageSource,
-                projection: view.referenceCrs,
+                crs: view.referenceCrs,
                 useMask: false,
                 onPanoChanged: (e) => {
                     view.controls.setPreviousPosition(e.previousPanoPosition);
@@ -121,7 +121,7 @@
                     url: 'https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wfs?',
                     version: '2.0.0',
                     typeName: 'BDTOPO_BDD_WLD_WGS84G:bati_remarquable,BDTOPO_BDD_WLD_WGS84G:bati_indifferencie,BDTOPO_BDD_WLD_WGS84G:bati_industriel',
-                    projection: 'EPSG:4326',
+                    crs: 'EPSG:4326',
                     ipr: 'IGN',
                     format: 'application/json',
                     extent: {
diff --git a/examples/view_multi_25d.html b/examples/view_multi_25d.html
index 63be7daeff..088852439f 100644
--- a/examples/view_multi_25d.html
+++ b/examples/view_multi_25d.html
@@ -17,7 +17,7 @@
         </script>
         <script src="https://unpkg.com/three@0.86.0/examples/js/controls/OrbitControls.js"></script>
         <script type="text/javascript">
-            // Define projection that we will use (taken from https://epsg.io/3946, Proj4js section)
+            // Define crs projection that we will use (taken from https://epsg.io/3946, Proj4js section)
             itowns.proj4.defs('EPSG:3946', '+proj=lcc +lat_1=45.25 +lat_2=46.75 +lat_0=46 +lon_0=3 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs');
             // # Planar (EPSG:3946) viewer
 
@@ -100,7 +100,7 @@
                 extent,
                 version: '1.3.0',
                 name: 'MNT2012_Altitude_10m_CC46',
-                projection: 'EPSG:3946',
+                crs: 'EPSG:3946',
                 width: 256,
                 format: 'image/jpeg',
                 url: 'https://download.data.grandlyon.com/wms/grandlyon',
@@ -125,7 +125,7 @@
                     url: 'https://download.data.grandlyon.com/wms/grandlyon',
                     version: '1.3.0',
                     name: wms,
-                    projection: 'EPSG:3946',
+                    crs: 'EPSG:3946',
                     format: 'image/jpeg',
                     extent,
                 });