Gansu, one of the birthplaces of Chinese civilization, is also a must pass through the world-famous Silk Road. Lanzhou, the capital of Gansu Province, is located in the upper reaches of the Yellow River and once was an important town on the ancient Silk Road, which has left many historical sites and splendid culture here and attracted a large number of Chinese and foreign tourists. There are countless famous landscapes in Lanzhou, including Dunhuang Mogao Grottoes, Tianshui Maiji Mountain, Yo...