The colorful leaves and the tranquil Tianchi Lake create a visually pleasing contrast in Tianchi Lake scenic area, northwest China's Xinjiang Uygur Autonomous Region. (Photo courtesy of the management committee of the Tianchi Lake scenic area)

Clusters of golden leaves and evergreen pine and cypress trees turn the hillsides in Tianchi Lake scenic area, northwest China's Xinjiang Uygur Autonomous Region, into a vibrant "palette" of autumn colors. (Photo courtesy of the management committee of the Tianchi Lake scenic area)

Photo shows the spectacular autumn scenery of Tianchi Lake scenic area in northwest China's Xinjiang Uygur Autonomous Region. (Photo courtesy of the management committee of the Tianchi Lake scenic area)