Photo taken on April 29, 2016 shows the Kum Tag Desert in Shanshan County, northwest China's Xinjiang Uygur Autonomous Region. The Kum Tag Desert, which covers an area of 2,500 square kilometers, is the nearest desert to a city in the world as it is only one kilometer away from the town of Shanshan. (Xinhua/Jiang Xiaoming)

Photo taken on April 29, 2016 shows the Kum Tag Desert in Shanshan County, northwest China's Xinjiang Uygur Autonomous Region. The Kum Tag Desert, which covers an area of 2,500 square kilometers, is the nearest desert to a city in the world as it is only one kilometer away from the town of Shanshan. (Xinhua/Jiang Xiaoming)

Photo taken on April 29, 2016 shows the Kum Tag Desert in Shanshan County, northwest China's Xinjiang Uygur Autonomous Region. The Kum Tag Desert, which covers an area of 2,500 square kilometers, is the nearest desert to a city in the world as it is only one kilometer away from the town of Shanshan. (Xinhua/Jiang Xiaoming)

Photo taken on April 29, 2016 shows the Kum Tag Desert in Shanshan County, northwest China's Xinjiang Uygur Autonomous Region. The Kum Tag Desert, which covers an area of 2,500 square kilometers, is the nearest desert to a city in the world as it is only one kilometer away from the town of Shanshan. (Xinhua/Jiang Xiaoming)

Photo taken on April 29, 2016 shows the Kum Tag Desert in Shanshan County, northwest China's Xinjiang Uygur Autonomous Region. The Kum Tag Desert, which covers an area of 2,500 square kilometers, is the nearest desert to a city in the world as it is only one kilometer away from the town of Shanshan. (Xinhua/Jiang Xiaoming)

Photo taken on April 29, 2016 shows the Kum Tag Desert in Shanshan County, northwest China's Xinjiang Uygur Autonomous Region. The Kum Tag Desert, which covers an area of 2,500 square kilometers, is the nearest desert to a city in the world as it is only one kilometer away from the town of Shanshan. (Xinhua/Jiang Xiaoming)

Photo taken on April 29, 2016 shows the Kum Tag Desert in Shanshan County, northwest China's Xinjiang Uygur Autonomous Region. The Kum Tag Desert, which covers an area of 2,500 square kilometers, is the nearest desert to a city in the world as it is only one kilometer away from the town of Shanshan. (Xinhua/Jiang Xiaoming)