2. The word "Dunhuang" first appeared in Zhang Qian's report to Emperor Wu of the Han Dynasty in Biography of Dawan in Historical Records, saying that "Yue lived between Dunhuang and Qilian". In BC 1 165438, Dunhuang County was formally established in the Han Dynasty. Ancient people generally used the literal meaning of Chinese to explain the place names of Dunhuang. For example, Ying Shao in the Eastern Han Dynasty noted in Hanshu that "Dun is great". Yellow, sheng also. "The further development of Li Jifu's Yuanhe County Records in the Tang Dynasty:" Dunda. It is famous for its great opening to the western region. "
3. Dunhuang, a county-level city in Gansu Province and hosted by Jiuquan City, is located at the westernmost end of Hexi Corridor, where Gansu, Qinghai and Xinjiang provinces meet. Dunhuang is a node city of the Silk Road, famous for its "Dunhuang Grottoes" and "Dunhuang Murals", and is the location of Yumenguan and Yangguan on the border of the Mogao Grottoes and the Great Wall of Han Dynasty. 20 12 was selected as one of the "Top 200 Charming Cities in China" in 20 12. It is a national historical and cultural city and the cultural capital of East Asia.