Introduction to Ai Ding Lake: Ai Ding Lake is the lowest lake in China, also known as "Moonlight Beauty Ai Ding Lake" and "Jue Luo Huan". In the southern part of Turpan Basin, there is a salt lake. The lake is -154 meters above sea level, making it the lowest depression in the country and one of the major depressions in the world. It is the second lowest depression in the world after the Dead Sea in Jordan. Area: 18,000 hectares.