Neighbors were left feeling very confused when a man started drilling large holes into his yard – what on earth could he be doing?

For months on end, people watched on as they wondered what masterpiece the guy was building next to his average-looking swimming pool.

All the hard work was worth it though. Check out his amazing invention below…

 

1. Getting Started

Before he started building, the man had to clear the area of unwanted grass and weeds that were in the way of him breaking the ground.