Watch as we use primitive tools to construct an incredible secret underground mud house, inspired by ancient building techniques. From digging the foundation to crafting the walls and roof, every step ...

Some of the most-famous buildings in the world are made from earth and clay, and they date back thousands of years. Now, earth homes are making a comeback as engineers try to reduce carbon emissions.

While most of the world was in lockdown, a team of 15 researchers carefully scraped thousands of years of soot, dirt, and ...