Lake reflects clear blue sky at Tianchi Lake National Forest Park(1/4)

Blue sky and snow-capped mountains are reflected on the mirror-like Tianchi Lake at the National Forest Park in Wenxian County, Longnan, northwest China's Gansu Province. (Photo/ICphoto)

Tianchi Lake is created by crustal movement during ancient times. The blocked Yanghe River course formed a lake in Tianwei Mountain at an altitude of over 2,400 meters. The lake extends 20 kilometers and 1,724 meters above sea level. It is 97 meters deep with an area of 80 hectares.

Blue sky and snow-capped mountains are reflected on the mirror-like Tianchi Lake at the National Forest Park in Wenxian County, Longnan, northwest China's Gansu Province. (Photo/ICphoto)

Blue sky and snow-capped mountains are reflected on the mirror-like Tianchi Lake at the National Forest Park in Wenxian County, Longnan, northwest China's Gansu Province. (Photo/ICphoto)

Blue sky and snow-capped mountains are reflected on the mirror-like Tianchi Lake at the National Forest Park in Wenxian County, Longnan, northwest China's Gansu Province. (Photo/ICphoto)