This photo taken by a drone shows an aerial view of the Zhongshan Mountain Scenic Area in Nanjing, capital city of east China’s Jiangsu Province. In the early winter season, the forests of the area take on a colorful look, like a beautiful painting. (Photos: VCG)

This photo taken by a drone shows an aerial view of the Zhongshan Mountain Scenic Area in Nanjing, capital city of east China’s Jiangsu Province. In the early winter season, the forests of the area take on a colorful look, like a beautiful painting.

This photo taken by a drone shows an aerial view of the Zhongshan Mountain Scenic Area in Nanjing, capital city of east China’s Jiangsu Province. In the early winter season, the forests of the area take on a colorful look, like a beautiful painting.

This photo taken by a drone shows an aerial view of the Zhongshan Mountain Scenic Area in Nanjing, capital city of east China’s Jiangsu Province. In the early winter season, the forests of the area take on a colorful look, like a beautiful painting.

This photo taken by a drone shows an aerial view of the Zhongshan Mountain Scenic Area in Nanjing, capital city of east China’s Jiangsu Province. In the early winter season, the forests of the area take on a colorful look, like a beautiful painting.

This photo taken by a drone shows an aerial view of the Zhongshan Mountain Scenic Area in Nanjing, capital city of east China’s Jiangsu Province. In the early winter season, the forests of the area take on a colorful look, like a beautiful painting. (Compiled by Zhang Jian)