After you open the door lying on the bottom of the pond it can go two ways. The door will open to deeper water that shimmers in an unusual way. The water behind the door connects to another pond, in another world. To get there, you will swim downward, through the doorway. You will force every bit of air from your lungs, to keep you from floating upward, remaining in your world. When this doesn’t help you will grab onto the door frame, pull yourself through the doorway to the other side. Or The door will open the door to…