Primitive Tool Building a Cave Water Slide to an Underground Swimming Pool with a Private Living Room Posted: March 11, 2025 | Last updated: March 11, 2025 In this video, we take on an incredible ...

Initial plans called for major repairs and upgrades to a Pittsburgh borough's 52-year-old swimming pool last year.

Watch as we take on an incredible 25-day challenge to build a water slide leading into an underground swimming pool—using only simple tools and traditional techniques! This DIY project is part ...