The willow leaf lake, which is21.8 square kilometers northeast of Changde City, is known as the "first lake in China's city", such as an emerald inlaid in the city map. East to Dongting, west to Wuling, Liuye Lake anchored the attitude of Endeavour in the coordinates of the new era, and painted a new picture of the cultural tourism of "sports, music, living, well-being, happiness".