Han Great Wall Dunhunag
The Han Great Wall in Dunhuang is situated 5 km west of Yumen Pass. It was built by Han Wudi as a defense wall against Western Region. It is considered one of the oldest sections of Great Wall.
It was built much earlier compared with other great walls in China. It has a history of more than 2000 years old. Since it has long history, most sections of the great wall are completely gone due to erosion. The remaining still reflects the traces of the original great wall. It is 136 km long from the northern lake in the East to Mmitu and borders with Xinjiang Uyghur Autonomous Region on the west.
Materials used for building the walls are: earth, clay, gravel, red and poplar. Beacon towers were dotted on every 5 km in order protect against the enemies.
Tips:The temperature difference during the day and night is big therefore it is recommended to bring enough warm clothes. Climate is dried therefore recommended to bring enough drinking water and sunglass.