Why is Wuyuan's house with white walls and black tiles

The reason why Wuyuan's house has white walls and black tiles is because Wuyuan used to belong to Anhui Province's style of retaining Huizhou architecture. Wuyuan County, which belongs to Shangrao City, Jiangxi Province, is located in the northeast of Jiangxi Province, with a total area of 2,967 square kilometers. Wuyuan county is located in the middle subtropical zone, with the characteristics of East Asian monsoon region, mild climate, abundant rainfall, short frost period and distinct four seasons. By 2020, Wuyuan County will administer 1 street, 10 town and 6 townships. County government resident Licheng street.