In ancient times, people lived in enclosed houses. Now some people live in them, and most of them live in modern houses. Enclosed houses have different forms and names in different areas, but they have one characteristic: large number of people living together (usually a family can have hundreds or even thousands of people), large scale, strong defense, high functionality, religious and cultural characteristics . There must be an ancestral hall, etc. Hakka people in Jiangxi live in houses with brick enclosures and 2-3 meter wide walls, such as: Guanxi Weiyanwei, etc.
In Fujian, people often call their residences earth buildings. Because they are made of earth, they are called earth buildings. Most earth buildings are round or square, and the height is more than 2 stories.
Guangdong and Taiwan have earth buildings and Weilongwu four-cornered buildings