===================================================================
--- original.js
+++ change.js
@@ -10,8 +10,26 @@
 	});
 	self.x = x;
 	self.y = y;
 });
+// Lightning class to represent lightning in the game
+var Lightning = Container.expand(function (x, y) {
+	var self = Container.call(this);
+	var lightningGraphics = self.attachAsset('thunderstorm', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.x = x;
+	self.y = y;
+	self.update = function () {
+		// Make the lightning flash
+		lightningGraphics.alpha = Math.random();
+		// Destroy the lightning after a while
+		if (LK.ticks % 60 == 0) {
+			self.destroy();
+		}
+	};
+});
 // Location class to represent different locations on the map
 var Location = Container.expand(function (name, x, y) {
 	var self = Container.call(this);
 	var locationGraphics = self.attachAsset('location', {
@@ -71,8 +89,26 @@
 		self.x += direction.x;
 		self.y += direction.y;
 	};
 });
+// Raindrop class to represent raindrops in the game
+var Raindrop = Container.expand(function (x, y) {
+	var self = Container.call(this);
+	var raindropGraphics = self.attachAsset('strongRain', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.x = x;
+	self.y = y;
+	self.update = function () {
+		// Make the raindrop fall down
+		self.y += 5;
+		// Destroy the raindrop if it's out of the screen
+		if (self.y > 2732) {
+			self.destroy();
+		}
+	};
+});
 //<Assets used in the game will automatically appear here>
 // Weather class to represent different weather types
 // Tree class to represent trees in the game
 var Tree = Container.expand(function (x, y) {
@@ -100,16 +136,26 @@
 				if (person.intersects(self)) {
 					person.setEmotion('fear');
 				}
 			});
+			// Create raindrops
+			if (LK.ticks % 5 == 0) {
+				var raindrop = new Raindrop(Math.random() * 2048, 0);
+				game.addChild(raindrop);
+			}
 		} else if (self.type === 'thunderstorm') {
 			// Update thunderstorm effects
 			// People feel fear in thunderstorm
 			people.forEach(function (person) {
 				if (person.intersects(self)) {
 					person.setEmotion('fear');
 				}
 			});
+			// Create lightning
+			if (LK.ticks % 60 == 0) {
+				var lightning = new Lightning(Math.random() * 2048, 0);
+				game.addChild(lightning);
+			}
 		} else if (self.type === 'tornado') {
 			// Update tornado effects
 			// People feel fear in tornado
 			people.forEach(function (person) {