Pianist Lang Lang performs during his concert. He holds a concert at the virgin forest near Tianchi Lake at Changbai Mountain Nature Reserve in Northeast China's Jilin province, August 28, 2015. [Photo by Wu Hao/Xinhua]

Pianist Lang Lang performs during a concert at the virgin forest near Tianchi Lake at Changbai Mountain Nature Reserve in Northeast China's Jilin province, August 28, 2015. [Photo by Wu Hao/Xinhua]