Summer flowers bloom on Changbai Mountain, located in Northeast China's Jilin province. Beginning in July, all kinds of wildflowers on the high slopes of Changbai Mountain start blooming. [Photo/WeChat account of Changbaishan Wenlyu]

Tianchi, or Heavenly Lake, is located in the crater of Changbai Mountain, a dormant volcano. Tianchi had been frozen for more than 200 days before it began thawing recently. The Changbai Mountain range, located in Northeast China's Jilin province, is a national 5A scenic area that is listed in the UNESCO Man and Biosphere Reserve Program and is also an international A-level nature reserve. [Photo/WeChat account of Changbaishan Wenlyu]

The meadows are densely covered with summer flowers, creating a glorious view. [Photo/WeChat account of Changbaishan Wenlyu]

A field full of fragrant irises sits on the west slope of Changbai Mountain. At an elevation of 1,500 meters and affected by its altitude, climate and soil, a 10-hectare wonderland bursting with irises is formed. [Photo/WeChat account of Changbaishan Wenlyu]

A waterfall on Changbai Mountain, surrounded by lush greenery. [Photo/WeChat account of Changbaishan Wenlyu]

A starry sky above Changbai Mountain. [Photo/WeChat account of Changbaishan Wenlyu]