My Unity video: My scene is about an isolate island where an accident just happened.  When the player walks into my scene, he would find out that there are two damaged cars, several steel rods and oil drums are scattered around the island. And for some reasons, almost the whole island drowns in the flood. To create the scene, I add the terrain with two textures - sand and stone- to portray the images of the beach and mountains. I, then, plant the woods and add some benches to make this...