Prompt: Write a short story about a man who discovers a magical portal

Tommy gasped when he stumbled across a portal hidden behind a stack of boxes in the warehouse. He had been strolling through the warehouse when he found the portal and curiosity got the better of him. He didn’t know what he was getting himself into, but he was determined to find out.

Tommy stepped through the portal and found himself in a strange place. There was a lake in the middle of the room and in the lake there were strange creatures swimming around. Tommy was scared at first, but he soon realized that he was in a magical place.