For centuries camels have trekked around Yueyaquan Crescent Lake in China's north-western province of Gansu. The silk route hub has now however more a popular tourist hub
A guide leading camels near the Yueyaquan Crescent Lake in Dunhuang, in China's northwestern Gansu province. Formerly a silk route hub and centre for trade between China and the West, Dunhuang relies heavily on tourismPhotograph: Ed Jones/AFP/Getty ImagesA cart carrying tourists through the sand dunes, a result of increasing desertification in this area of China. Photograph: Ed Jones/AFP/Getty ImagesThe Crescent Lake sits in an oasis just 6km south of the city of Dunhuang in Gansu Province, ChinaPhotograph: Ed Jones/AFP/Getty ImagesA guide waiting for tourists on this former silk route hubPhotograph: Ed Jones/AFP/Getty ImagesTourist guides wait to take people on camel and 4x4 rides around the lake, which has shrunk hugely in the last 50 years, but is now being refilled with the help of the Chinese government Photograph: Ed Jones/AFP/Getty ImagesThe dunes around Crescent Lake, or Yueyaquan as it was called in the Qing Dynasty, reach a relative height of 250 metersPhotograph: Ed Jones/AFP/Getty Images