Introduction to Tianchi: Yunlong Tianchi is also called Shuchanghai. It was called Gaohaizi in ancient times. It is 2551 meters above sea level and is a plateau fault lake. In spring, wild ducks play in the lake, deer chirp on the shore, thousands of trees revive, grass grows green, and the mountains and rivers near the lake are full of vitality, making people have all kinds of daydreams; in summer, hundreds of birds sing in chorus along the water, and the mountains are filled with cuckoos, which are like fire, and the coolness The wind is blowing, the pines are bursting, the flowers are fragrant, and the lake is sparkling, making people feel clear. In autumn, the surrounding mountains and forests are dyed, and the water in the lake is calm. At night, the autumn moon rises eastward, and the lake is full of silver, which makes people feel... Reality and fantasy; in winter, the red sun shines high, the wind is cold and the water is warm, the peaks are silent, the pines and bamboos in the mountains are green, and the plum blossoms on the snow are fragrant, which makes people recall the nobility.