A resident cleans the street at the ancient city of Kashgar, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. In the first half of 2019, the ancient city of Kashgar received over 310,000 visits. (Xinhua/Zhao Ge)

　　A resident cleans the street at the ancient city of Kashgar, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. In the first half of 2019, the ancient city of Kashgar received over 310,000 visits. (Xinhua/Zhao Ge)

　　A resident cleans the street at the ancient city of Kashgar, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. In the first half of 2019, the ancient city of Kashgar received over 310,000 visits. (Xinhua/Zhao Ge)

　　A cat is seen at the ancient city of Kashgar, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. In the first half of 2019, the ancient city of Kashgar received over 310,000 visits. (Xinhua/Zhao Ge)

　　People stroll on the street in the morning at the ancient city of Kashgar, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. In the first half of 2019, the ancient city of Kashgar received over 310,000 visits. (Xinhua/Zhao Ge)

　　A vendor sells milk at the ancient city of Kashgar, northwest China's Xinjiang Uygur Autonomous Region, July 9, 2019. In the first half of 2019, the ancient city of Kashgar received over 310,000 visits. (Xinhua/Zhao Ge)