People visit the Ruins of Stone City in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year. (Photos: Xinhua)

People visit a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

People visit a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

Photo taken on July 9, 2019 shows the view of a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

Photo taken on July 9, 2019 shows a site of a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

People visit the Ruins of Stone City in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

Photo taken on July 9, 2019 shows the Ruins of Stone City in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

People take selfie at a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

Photo taken on July 9, 2019 shows the view of a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

People visit a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

People take photos at a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

People visit a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

People travel at a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

Photo taken on July 9, 2019 shows the view of a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.

Photo taken on July 9, 2019 shows the view of a national wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. Tajik Autonomous County received 554,100 visits in the first half of 2019, up 43.26 perent year on year.