Zhencheng Building is located in the Hakka Tulou Folk Culture Village, Hongkeng Village, Hukeng Town, Yongding County, Longyan City. It was built in 1912, mainly divided into two circles inside and outside, forming a pattern of buildings with buildings and buildings outside. The layout of the facilities of the entire earth building has both the imprint of Suzhou gardens and the characteristics of ancient Greek architecture. So it is also called the strange architecture of the combination of Chinese and Western.