What do the people in Atacama Desert build their houses out of?

The Atacama Desert is an extremely arid desert located in northern Chile. The people who live in the Atacama Desert build their houses out of adobe, which is a mixture of clay, sand, and water. Adobe is a very durable material that can withstand the harsh conditions of the Atacama Desert. It is also a relatively inexpensive material, which makes it a good choice for people who live in poverty.