The sun rises in a desert in Wuwei city, northwest China’s Gansu province, Aug 5, 2016. [Xinhua/Photo]

An aerial photo taken on April 22, 2016 shows rural scenery in Yongfeng county, east China’s Jiangxi province.[Xinhua/Photo]

An aerial photo taken on Nov 5, 2016 shows the scenery at Jianjiang village of Huaiqun township, south China’s Guangxi Zhuang autonomous region. [Xinhua/Photo]

An aerial photo taken on June 29, 2016 shows the Tianmen Mountain amid mist in Zhangjiajie, central China’s Hunan province. [Xinhua/Photo]

Photo taken on May 25, 2016 shows a 290-meter-deep karst cave in Luoquanyan Village of Xuan’en county, central China’s Hubei province.[Xinhua/Photo]

Photo taken on Jan 21, 2016 shows the rime scenery at the Xianfeng Forest Park in Yanbian Korea autonomous prefecture, northeast China’s Jilin province. [Xinhua/Photo]

An aerial photo taken on Aug 19, 2016 shows the source of Lancang River in Yushu, northwest China’s Qinghai province. [Xinhua/Photo]