The Berbers of Matmata, a small village in southern Tunisia, do so too.
The Berbers have been digging out homes in the ground this way for more than a thousand years.
Today, these cave dwellings are a major tourist attraction.
Matmata has another claim to fameit was one of the location for thefilming of Star Wars.
The home of Luke Skywalker is actually an underground hotel named Sidi Driss.
