Discuss as:

Yemenis make mud bricks for unique architecture

Mohamed Al-sayaghi / Reuters

A boy arranges dried mud blocks at a traditional brick manufacturing site in San'a, Yemen, Nov. 20, 2012. The bricks are made from clay and straw and widely used in the construction of houses due to its low cost.

Mohamed Al-sayaghi / Reuters

People work near a kiln at a traditional brick-manufacturing site in San'a, Yemen, Nov. 20.

Mohamed Al-sayaghi / Reuters

A worker adds water to clay mixed with straw at a traditional brick-manufacturing site in San'a, Yemen, Nov. 20.

Mohamed Al-sayaghi / Reuters

Workers carry dried mud bricks to a kiln at a traditional brick-manufacturing site in San'a, Yemen, Nov. 20.

Mohamed Al-sayaghi / Reuters

Workers stack dried mud bricks inside a kiln to be fired at a traditional brick manufacturing site in San'a, Yemen, Nov. 20.

Khaled Fazaa / AFP - Getty Images file

A file photo reveals the traditional mud-brick architecture used at the historical city of Shibam in eastern Yemen's Hadramaut province on Oct. 28, 2008.

Sign up for the NBCNews.com Photos Newsletter