Introduction to Tianchi: Tianchi is located in an alpine basin 800 meters above sea level. It covers an area of about 40 hectares and the deepest water level is 8 meters. It is surrounded by 18 thousand-meter peaks with green waves touching the sky. The 600-acre mountain lake is spotless with rippling blue waves. The climate here is pleasant all year round, with an annual average temperature of 19.7 degrees Celsius and an average summer temperature of 22 degrees Celsius. It is a famous summer resort.