Photo taken at the beginning of July shows the Crescent Lake in Dunhuang, Gansu Province turns green and fresh in the desert after several raining days. The precipitation has increased in Dunhuang this year, making the Crescent Lake much picturesque. (Photo/ Wang Binyin)

Visitors enjoy the Crescent Lake scenic spot in Dunhuang, Gansu Province. (Photo/ Wang Binyin)

Apocynums by the lake are in full blossom in the midsummer time. (Photo/ Wang Binyin)

Reeds flourish by the Crescent Lake. (Photo/ Wang Binyin)

Visitors head for the Crescent Lake in Dunhuang, Gansu Province. (Photo/ Wang Binyin)