diff --git a/3R.html b/3R.html
index a55fc2c..8194210 100644
--- a/3R.html
+++ b/3R.html
@@ -119,7 +119,7 @@ <h2>Highway Demos</h2>
 							<div class="row gtr-200">
 								<div class="col-9 col-12-medium">
 									<h3>Highway Safe Passing Scenario Through Standard Prompting</h3>
-									<iframe width="900" height="500" src="https://www.youtube.com/embed/rqM0GmrDDVU"
+									<iframe width="900" height="500" src="https://www.youtube.com/embed/wPVXUAyhvAM"
 										allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
 										allowfullscreen></iframe>
 								</div>
@@ -133,7 +133,7 @@ <h3>Highway Safe Passing Scenario Through Standard Prompting</h3>
 							<div class="row gtr-200">
 								<div class="col-9 col-12-medium">
 									<h3>Highway Safe Passing Scenario Through Chain-of-thought Prompting</h3>
-									<iframe width="900" height="500" src="https://www.youtube.com/embed/zgWO1wUhwFM"
+									<iframe width="900" height="500" src="https://www.youtube.com/embed/cPFk1nfRcvM"
 										allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
 										allowfullscreen></iframe>
 								</div>
@@ -148,7 +148,7 @@ <h3>Highway Safe Passing Scenario Through Chain-of-thought Prompting</h3>
 							<div class="row gtr-200">
 								<div class="col-9 col-12-medium">
 									<h3>Highway Unsafe Passing Scenario Through Standard Prompting</h3>
-									<iframe width="900" height="500" src="https://www.youtube.com/embed/2r0s7U6312c"
+									<iframe width="900" height="500" src="https://www.youtube.com/embed/SPenkKMk1ik"
 										allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
 										allowfullscreen></iframe>
 								</div>
@@ -162,7 +162,7 @@ <h3>Highway Unsafe Passing Scenario Through Standard Prompting</h3>
 							<div class="row gtr-200">
 								<div class="col-9 col-12-medium">
 									<h3>Highway Unsafe Passing Scenario Through Chain-of-thought Prompting</h3>
-									<iframe width="900" height="500" src="https://www.youtube.com/embed/fZrgs8VSDyo"
+									<iframe width="900" height="500" src="https://www.youtube.com/embed/hSy9ePeAqXs"
 										allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
 										allowfullscreen></iframe>
 								</div>
@@ -170,7 +170,7 @@ <h3>Highway Unsafe Passing Scenario Through Chain-of-thought Prompting</h3>
 
 			</section>
 			<section class="post">
-				<h2>Intersection Demos</h2>
+				<h2>Merging Demos</h2>
 				<header class="major">
 					<!-- <span class="date">April 25, 2017</span> -->
 				</header>
@@ -179,7 +179,7 @@ <h2>Intersection Demos</h2>
 					<div class="row gtr-200">
 						<div class="col-9 col-12-medium">
 							<h3>Merging Scenario with No Extra Command</h3>
-							<iframe width="900" height="500" src="https://www.youtube.com/embed/IDoLYGzx4wQ"
+							<iframe width="900" height="500" src="https://www.youtube.com/embed/-MIP1jHS__8"
 								allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
 								allowfullscreen></iframe>
 						</div>
@@ -193,7 +193,7 @@ <h3>Merging Scenario with No Extra Command</h3>
 								<div class="row gtr-200">
 									<div class="col-9 col-12-medium">
 										<h3>Merging Scenario with Command "Drive Aggressively"</h3>
-										<iframe width="900" height="500" src="https://www.youtube.com/embed/1V88DCHyASE"
+										<iframe width="900" height="500" src="https://www.youtube.com/embed/26e_GgLDCKs"
 											allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
 											allowfullscreen></iframe>
 									</div>
@@ -210,12 +210,12 @@ <h3>Merging Scenario with Command "Drive Aggressively"</h3>
 												<div class="col-9 col-12-medium">
 													<h3>Merging Scenario with the Command "Drive Conservatively"</h3>
 													<iframe width="900" height="500"
-														src="https://www.youtube.com/embed/sbEtHRJHisU"
+														src="https://www.youtube.com/embed/eO5uiCXPdxs"
 														allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
 														allowfullscreen></iframe>
 												</div>
 									</section>
-						</section>
+					</section>
 					</div>
 				</div>
 				<hr>