Fujian earthen buildings / 福建土樓 / ふっけんどろう

The Fujian tulou (literally: "Fujian earthen buildings") are Chinese rural dwellings unique to the Hakka in the mountainous areas in southeastern Fujian, China. They were mostly built between the 12th and the 20th centuries.
A tulou is usually a large, enclosed and fortified earth building, most commonly rectangular or circular in configuration, with very thick load-bearing rammed earthwalls between three and five stories high and housing up to 800 people. Smaller interior buildings are often e