Built in 1912, Zhengcheng Building is situated at Hongkeng Village, Hukeng Town, Yongding County, Longyan City and covers an area of 5,000 square meters. With post and lintel construction, it consists of two circles (the inside one and the outside one). There are 48 rooms on each floor of the 4-storey outside circle, which is designed according to the Eight Diagrams. There are six rooms and one staircase attached to each combination. And there is a firewall between every two combinations which are connected with each other through an arched door.

Chengqi Building is situated at Gaobei Village, Gaotou Town, Yongding County, Longyan City. It is large in scale, unique in form, antique in style, and has a strong flavor of rural life. A vivid description of the Building goes like this, “Four-storey tall, in four circles, with four hundred rooms from cellar to rafter; round in round, circle in circle, with a long and fateful history of three hundred years”.

Built in 1851, Yijing Building is a square earth building situated at Shangyang Village, Gaopo Town, Yongding County, Longyan City. The outside wall is 136 meters wide from east to west, and 76 meters long from north to south, with an area of 10,336 square meters. The 5-storey main tower at the back of the Building is 17 meters high, and is the highest among the existing earth buildings in Yongding. With altogether 280 rooms, Yijing Building is the largest square earth buildings ever known.