Introduction to Sun Moon Lake: Located on Mengliangzhai on the top of Lingwu Mountain, it is an east and west circular pool formed by the accumulation of mountain springs. The east pool is the sun, with a diameter of 15 meters and a water depth of 4 meters. It is the best place to watch the sunrise in the east. West Lake is shaped like the moon, with a diameter of 10 meters and a water depth of 3 meters. It is a good place to enjoy the moon on the Mid-Autumn Festival night, and is collectively known as Sun Moon Lake. The water quality of Sun Moon Lake is excellent and pollution-free. It is still cool and refreshing after being exposed to high temperatures and sunshine. It is said that when Jiao Zanmengliang occupied the mountain on the top of the mountain and became king, he used it as domestic water for soldiers and drinking water for horses. Weapons tempered by the lake water were also used. Extremely hard, sharp and durable.