Gil Klar wanted to build a swimming pool in the backyard of their house. His wife didn't agree with the idea as she wants a lawn where they and their kids can play soccer and other outdoor games. Undaunted, Mr. Klar created a plan which would give him his swimming pool while still having the lawn that his wife wanted. This plan involved building a hidden pool under the lawn.
Within three months, Mr. Klar built the pool under the backyard. If his family wants to play on the lawn, they have it. If they want to have fun in the pool, a motorized system can be used to slide and retract the lawn platform which is covered in synthetic glass. See the hidden pool in action below:
Here's how Mr. Klar built it:
