China's Tulou ('earth buildings') are large circular buildings with fortified outer walls that protect dozens of families within. They were popular in southern Fujian and northern Guangdong provinces between the 12th and 20th centuries.
China's Tulou ('earth buildings') are large circular buildings with fortified outer walls that protect dozens of families within. They were popular in southern Fujian and northern Guangdong provinces between the 12th and 20th centuries.