Update App.js

public/Source/App.js

@@ -74,7 +74,7 @@
      viewer.homeButton.viewModel.command.beforeExecute.addEventListener(function (e) {
          e.cancel = true;
          viewer.scene.camera.flyTo(homeCameraView);
-         document.getElementById("selectscenario").selectedIndex = 5;
+         document.getElementById("selectscenario").selectedIndex = 31;
      });
      viewer.camera.changed.addEventListener(function () {
          var deg = Math.round(Cesium.Math.toDegrees(viewer.camera.heading))
@@ -340,4 +340,4 @@ geocoder.search();}
              }
          }, Cesium.ScreenSpaceEventType.LEFT_CLICK);
      }
-     active3DTilePicker();
+     active3DTilePicker();
\ No newline at end of file