The leaves are turning red in the southern mountainous area of Jinan, Shandong province, creating a distinct line on top of Xiezi Mountain. [Photo/VCG]

The red and green leaves on Xiezi Mountain create a distinctive autumn view. [Photo/VCG]

Photo taken on Oct 18 shows Xiezi Mountain in Jinan, Shandong province. [Photo/VCG]

The leaves turn red on Xiezi Mountain in Jinan, Shandong province. [Photo/VCG]

Xiezi Mountain in autumn is half red and half green. [Photo/VCG]