Fushi Huanji Building, China

China-34, originally uploaded by Abhishek's Received Postcards.

Fujian Tulou is a unique Chinese rammed earth building of the Hakka and other people in the mountainous areas in southwestern Fujian, China. They are mostly built between the 12th to the 20th centuries. Tulou is usually a large enclosed building, rectangular or circular in configuration, with a very thick weight supporting earth wall (up to 6 feet thick) and wooden skeletons, from three to five storeys high, housing up to 80 families. These earth buildings usually have only one main gate, guarded by 4-5 inch thick wooden doors reinforced with an outer shell of iron plate. The top level of these earth building have gun holes for defense against bandits.