Primitive Tool on MSN

Unbelievable DIY – building an underground house & swimming pool in 20 days!

In just 20 days, my two friends and I built an underground house with a swimming pool, using only simple tools and ...
Primitive Technology Idea on MSN

Build water slide and stone swimming pool underground

In this video, I demonstrate how to build a water slide and an underground stone swimming pool. By utilizing groundwater ...