Photo taken on Aug. 29, 2018 shows the terraced fields surrounded by mountains in Simeng Township of Donglan County in Hechi, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Ma Fangkang)

Performers sing songs beside rice fields during the Huanglong concert held at the Huanglongdong scenic spot in Wulingyuan District of Zhangjiajie, central China's Hunan Province, Aug. 26, 2018. (Xinhua/Wu Yongbing)

Egrets fly over a creek in Hexia Town of Xiannuhu District in Xinyu City, east China's Jiangxi Province, Aug. 28, 2018. (Xinhua/Zhao Chunliang)

Bees fly around a lotus flower at the Rongcheng wetland park in Rongcheng, east China's Shandong Province, Aug. 25, 2018. (Xinhua/Lin Haizhen)

Photo taken on Aug. 22, 2018 shows a flower at the Nanhu Park in Tongling, east China's Anhui Province. (Xinhua/Hong Wei)

Photo taken on Aug. 24, 2018 shows the scenery of Dajiuhu National Wetland Park in Shennongjia, central China's Hubei Province. (Xinhua/Zhang Hongbin)

A fisherman rows a boat in Jishan water area of Poyang Lake in Duchang County, east China's Jiangxi Province, Aug. 28, 2018. (Xinhua/Fu Jianbin)

People watch a man walking on a webbing during a slacklining competition held in Shenxianju scenic spot in Xianju County, east China's Zhejiang Province, Aug. 25, 2018. (Xinhua/Zhu Cheng)

Photo taken on Aug. 18, 2018 shows the scenery of Mount Qomolangma, in southwest China's Tibet Autonomous Region. (Xinhua/Chen Jianli)

A black swan swims on the lake on the Qingyuan campus of Anhui University in Hefei, capital of east China's Anhui Province, Aug. 29, 2018. (Xinhua/Zheng Jinqiang)