These complex underground lairs are the realm of the building engineers, who maintain the equipment and tweak the control systems, ensuring the schools are comfortable environments for children to ...

Join us on an inspiring 25-day journey as we build a fully underground house, complete with a beautifully decorated room. Using traditional tools and natural materials, this project combines ...

Deep in the jungle, we built the ultimate escape: a modern underground pool complex connected by a waterslide carved straight into the earth. From shaping the land to pouring the water, every part ...