Today you will visit the Yumen Pass, located 90 kilometers northwest of Dunhuang, it was built around 111 BC and used to be the main pass of the Silk Road to the north part of the Western Regions.

Continue the tour to visit Yadan National Geologic Park, which is commonly known as the Yadan Ghost City, it is 168 kilometers away from downtown Dunhuang. The park covers an area of 346.34 square kilometers, mainly with geological relics formed by wind erosion. For its unique desert scenery, various geological wonders and ancient folklore, the park has attracted countless tourists to explore the mysteries of nature.

Then visit the Han Great Wall, built in ancient Han Dynasty, its history is even longer than the Ming Great Wall in Beijing. Archaeological findings show that the Han Great Wall extended from Xinjiang in the west to Jilin province in the east, and was more than 10,000 kilometers long, longer than the Ming Great Wall.

Go ahead to visit the beautiful Crescent Lake & Singing Sand Mountains. The Crescent Lake is embedded in an oasis Gobi desert, surrounded by numerous sand dunes. The Singing Sand Mountains is so named for the sound of the wind whipping off the dunes.

This morning visit the world famous Mogao Grottoes, which was designated as a world cultural heritage by UNESCO for its 1,600 years accumulated cultural, architectural, and art treasures. There remains 492 cave temple and 45,000 square meters of frescos. After the tour you will be transferred to airport for your flight departure.