Tourists take cable cars over the Kubuqi Desert in Erdos City, north China's Inner Mongolia Autonomous Region, July 21, 2018. (Xinhua/Zou Yu)

Tourists experience sand surfing at the Qixing Lake scenic spot in the Kubuqi Desert in Erdos City, north China's Inner Mongolia Autonomous Region, July 25, 2018. (Xinhua/Lu Ye)

Tourists enjoy themselves at the Qixing Lake scenic spot in the Kubuqi Desert in Erdos City, north China's Inner Mongolia Autonomous Region, July 25, 2018. (Xinhua/Lu Ye)

A horsewoman rides a horse at the Qixing Lake scenic spot in the Kubuqi Desert in Erdos City, north China's Inner Mongolia Autonomous Region, July 25, 2018. (Xinhua/Lu Ye)

Tourists experience sand surfing at the Qixing Lake scenic spot in the Kubuqi Desert in Erdos City, north China's Inner Mongolia Autonomous Region, July 25, 2018. (Xinhua/Zou Yu)

Tourists enjoy themselves at the Qixing Lake scenic spot in the Kubuqi Desert in Erdos City, north China's Inner Mongolia Autonomous Region, July 25, 2018. (Xinhua/Lu Ye)

Tourists ride camels in the Kubuqi Desert in Erdos City, north China's Inner Mongolia Autonomous Region, July 21, 2018. (Xinhua/Zou Yu)

People ride a camel in the Kubuqi Desert in Erdos City, north China's Inner Mongolia Autonomous Region, July 25, 2018. (Xinhua/Lu Ye)