===================================================================
--- original.js
+++ change.js
@@ -19,9 +19,12 @@
 		anchorY: 0.5
 	});
 	self.speed = 2;
 	self.update = function () {
-		// Stop the road from moving
+		self.y += self.speed;
+		if (self.y > 2732) {
+			self.y = -50 / 4; // Decrease the distance between two roads to half the current distance
+		}
 	};
 });
 // SnowParticle class to represent the snow particles
 var SnowParticle = Container.expand(function () {
@@ -54,9 +57,13 @@
 			LK.effects.flashObject(self, 0xffff00, 1000); // Flash the tree with yellow light
 		}
 	};
 	self.update = function () {
-		// Stop the tree from moving
+		self.y += self.speed;
+		if (self.y > 2732) {
+			self.y = -50 / 4; // Decrease the distance between two trees to half the current distance
+			self.lightsOn = false;
+		}
 	};
 });
 
 /**** 
@@ -76,12 +83,12 @@
 	}
 };
 var road = game.addChild(new Road());
 road.x = 1024;
-road.y = 2732;
+road.y = 1366;
 var tree = game.addChild(new Tree());
 tree.x = 1024;
-tree.y = 2732;
+tree.y = 1366;
 // Define dragNode in the global scope
 var dragNode = null;
 // Create an instance of the car and add it to the game
 var car = game.addChild(new Car());
@@ -97,20 +104,19 @@
 	snowParticles.push(snowParticle);
 }
 // Update function for the game
 game.update = function () {
-	tree.update();
-	road.update();
+	// Check if the car is next to or above the tree
+	if (!(car.y <= tree.y + tree.height && car.y + car.height >= tree.y)) {
+		tree.update();
+		road.update();
+	}
 	// Update snow particles
 	for (var i = 0; i < snowParticles.length; i++) {
 		snowParticles[i].update();
 		snowParticles[i].x = car.x + Math.random() * 200 - 100; // Random x position around the car
 		snowParticles[i].y = car.y + car.height / 2 + Math.random() * 200 - 100; // Random y position around the back of the car
 	}
-	// Stop the car when it reaches next to the tree
-	if (Math.abs(car.x - tree.x) < 50 && Math.abs(car.y - tree.y) < 50) {
-		car.speed = 0;
-	}
 };
 // Event listeners for touch controls
 game.down = function (x, y, obj) {
 	console.log("Game was clicked at", x, y);