Introduction：
Chengqi Earth Building
Yongding Tulou is located in Yongding District, Longyan City, Fujian Province, on the southeast coast of China. Tulou is divided into square, circular, pentagonal, octagonal and other internal types. Yongding District has 360 famous round buildings and more than 10000 square buildings. Among them, the most famous tulou are: the king of tulou - Chengqi Earth Building, the prince of tulou - Zhencheng Earth Building, and the princess of tulou - Zhenfu Earth Building. Chengqi Earth Building is the largest earth building in Fujian, and entered the Guinness World Record for the largest earth building in 2010.
Chengqi Earth Building, located in Gaobei Village, Gaotou Town, Yongding District, Longyan City, Fujian Province, is 47 kilometers away from the county seat and covers an area of 5376 square meters. It was first built in the reign of Emperor Chongzhen of the Ming Dynasty (1628), and was completed in the 48th year of Emperor Kangxi of the Qing Dynasty (1709). It took 81 years to complete the construction. It has the reputation of "the king of round buildings". Chengqi Building is composed of three ring main buildings and a ancestral hall in the center. The tulou has a diameter of 73 meters, a wall thickness of 1 meter, a corridor perimeter of 229.34 meters, four stairs, and a total of 400 rooms. The whole building is arranged according to the Eight Diagrams of the Book of Changes. It is commonly known as "four floors high, four circles round, 400 rooms up and down".
承启楼简介
永定土楼，位于中国东南沿海的福建省龙岩市永定区。土楼分方形，圆形，五角形，八角形，日字形，回字形，吊脚楼等多种内型。永定区共有著名的圆楼360座，方楼10000多座。其中最著名的土楼有：土楼王-承启楼，土楼王子-振成楼，土楼公主-振福楼。承启楼是福建土楼当中建筑规模最大的，2010年进入世界吉尼斯最大土楼纪录。
承启楼，位于福建省龙岩市永定区高头镇高北村，距县城47公里，占地面积5376平方米。 始建于明崇祯年间（1628年），于清康熙四十八年(1709年)建成，花了81年修建完成，有"圆楼之王"的美誉。承启楼由三环主楼层层叠套和中心位置的一座祖堂组成。土楼直径73米，墙厚1米，走廊周长229.34米，有4个楼梯，合计共400个房间，全楼按易经八卦布局。俗称:“高四层，圆四圈，上上下下400间 ”
