Over the mountain pass, there appeared a green lake in front of you, so beautiful, this is the beautiful sheep Zhuo Yucuo. Going down the lake, the color of the lake has become the color of the sky. Yang Zhuoyucuo, Tibetan meaning "Biyu Lake", is one of the three sacred lakes in Tibet. It is located in Langkazi County, Shannan City, Tibet, about 70 kilometers southwest of Lhasa. It is also called the three sacred lakes in Tibet with Namcuo and Mapanyu. It is the largest inland lake in the north of the Himalayas. Quanqun Xiong. From Lhasa to Yanghu, you need to cross the 5030-meter Gangbala Pass. The lake is calm and blue, as if it is a sapphire on the southern plateau of the mountain.