Photo taken on Oct 5, 2015 shows scenery of the Qilianshan Mountain in Sunan Yugur autonomous county, northwest China’s Qinghai province. [Photo/Xinhua]

Photo taken on Oct 5, 2015 shows scenery of the Qilianshan Mountain in Sunan Yugur autonomous county, northwest China’s Qinghai province. [Photo/Xinhua]

Photo taken on Oct 5, 2015 shows scenery of the Qilianshan Mountain in Sunan Yugur autonomous county, northwest China’s Qinghai province. [Photo/Xinhua]

Photo taken on Oct 5, 2015 shows scenery of the Qilianshan Mountain in Sunan Yugur autonomous county, northwest China’s Qinghai province. [Photo/Xinhua]

Photo taken on Oct 5, 2015 shows scenery of the Qilianshan Mountain in Sunan Yugur autonomous county, northwest China’s Qinghai province. [Photo/Xinhua]

Photo taken on Oct 5, 2015 shows scenery of the Qilianshan Mountain in Sunan Yugur autonomous county, northwest China’s Qinghai province. [Photo/Xinhua]

Photo taken on Oct 5, 2015 shows scenery of the Qilianshan Mountain in Sunan Yugur autonomous county, northwest China’s Qinghai province. [Photo/Xinhua]

Photo taken on Oct 5, 2015 shows scenery of the Qilianshan Mountain in Sunan Yugur autonomous county, northwest China’s Qinghai province. [Photo/Xinhua]