Dunhuang, a city that flourished as an oasis on the Silk Road. Located at the western end of the Hexi corridor. Historically, it is the only pathway from central China to the western regions, even to Europe, and a confluence of four ancient civilizations—China, India, Greece, and Islam. Mogao Grottoes, also known as "Thousand Buddha Caves", is located on the south side of the city. Nearly 500 caves decorated with colorful murals and Buddha statues, making it a holy place in the Buddhism world. There are also many attractions near Dunhuang such as the Crescent Spring and Mingsha Shan, Yardang National Geopark, and the Ancient Great Wall of the Han Dynasty.