An international symposium in commemoration of the 1650th anniversary of the Mogao Grottoes is held in Dunhuang, northwest China's Gansu Province, Aug. 20, 2016. Over 150 experts and scholars attended the symposium Saturday. (Xinhua/Fan Peishen)
An international symposium in commemoration of the 1650th anniversary of the Mogao Grottoes is held in Dunhuang, northwest China's Gansu Province, Aug. 20, 2016. Over 150 experts and scholars attended the symposium Saturday. (Xinhua/Fan Peishen)