Cyclists wait to start the seventh stage of the Tour of Qinghai Lake in northwest China's Qinghai Province, on July 28, 2018. (Xinhuanet Photo by Jia Haiyuan)

Cyclists compete in the seventh stage of the Tour of Qinghai Lake in northwest China's Qinghai Province, on July 28, 2018. (Xinhuanet Photo by Jia Haiyuan)

Cyclists compete in the seventh stage of the Tour of Qinghai Lake in northwest China's Qinghai Province, on July 28, 2018. (Xinhuanet Photo by Jia Haiyuan)

Cyclists compete in the seventh stage of the Tour of Qinghai Lake in northwest China's Qinghai Province, on July 28, 2018. (Xinhuanet Photo by Jia Haiyuan)

Cyclists compete in the seventh stage of the Tour of Qinghai Lake in northwest China's Qinghai Province, on July 28, 2018. (Xinhuanet Photo by Jia Haiyuan)

Cyclists compete in the seventh stage of the Tour of Qinghai Lake in northwest China's Qinghai Province, on July 28, 2018. (Xinhuanet Photo by Jia Haiyuan)

Cyclists compete in the seventh stage of the Tour of Qinghai Lake in northwest China's Qinghai Province, on July 28, 2018. (Xinhuanet Photo by Song Zhongyong)

Cyclists compete in the seventh stage of the Tour of Qinghai Lake in northwest China's Qinghai Province, on July 28, 2018. (Xinhuanet Photo by Jia Haiyuan)

Cyclists compete in the seventh stage of the Tour of Qinghai Lake in northwest China's Qinghai Province, on July 28, 2018. (Xinhuanet Photo by Jia Haiyuan)