A man stands on one side of a river, his dog on the other side. The man calls his dog over. His dog immediately crosses the river without getting wet and without using a boat or a bridge. How did the dog do it?
A man stands on one side of a river, his dog on the other side. The man calls his dog over. His dog immediately crosses the river without getting wet and without using a boat or a bridge. How did the dog do it?