An aerial photo taken on Nov 15 shows Langshan National Forest Park in Nantong, East China's Jiangsu province at sunrise. The top of Langshan Mountain glistens in the early morning sun. [Photo/VCG]

Fog can be seen surrounding Langshan Mountain as the sun peers over the horizon. [Photo/VCG]

According to local authorities, Langshan National Forest Park covers an area of 10.8 square meters and has a forest coverage rate over 80 percent, after years of efforts to restore its ecology. [Photo/VCG]

Fog can be seen surrounding Langshan Mountain as the sun peers over the horizon. [Photo/VCG]