An aerial view shows a traditional Afghanistan mud and straw qalat, Feb. 7, 2009. The fortresses can take years to finish, but can last hundreds of years, and are passed down from generation to generation. Large, extended families make each qalat home. An aerial view shows a traditional Afghanistan mud and straw qalat, Feb. 7, 2009. The fortresses can take years to finish, but can last hundreds of years, and are passed down from generation to generation. Large, extended families make each qalat home. SHARE IMAGE: Download Image: Full Size (8.86 MB) Tags: Photo Essays Photo By: VIRIN: 994287-L-VDE12-519.jpg Photo Gallery