Zhangye City of NW China’s Gansu: Hot air balloons fly in “Rainbow Mountain”

Photo taken on Aug. 17, 2023 shows dozens of hot air balloons flying over the Qicai Danxia Scenic Area, to stage a beautiful encounter between the hot air balloons and the “Rainbow Mountain” for tourists to see. (Cheng Lin/Guangming Picture)

Photo taken on Aug. 17, 2023 shows dozens of hot air balloons flying over the Qicai Danxia Scenic Area, to stage a beautiful encounter between the hot air balloons and the “Rainbow Mountain” for tourists to see. (Cheng Lin/Guangming Picture)