Photo taken on July 5, 2018 shows a view of the Gaojiahu wetland park as it comes into the peak of the summer tourist season in Kazak Autonomous County of Barkol, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Dawut Rishat)

Photo taken on July 5, 2018 shows a view of the Gaojiahu wetland park as it comes into the peak of the summer tourist season in Kazak Autonomous County of Barkol, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Dawut Rishat)

Photo taken on July 5, 2018 shows a view of the Gaojiahu wetland park as it comes into the peak of the summer tourist season in Kazak Autonomous County of Barkol, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Dawut Rishat)

Photo taken on July 5, 2018 shows a view of the Gaojiahu wetland park as it comes into the peak of the summer tourist season in Kazak Autonomous County of Barkol, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Dawut Rishat)