White Horse Pagoda was originally built in 386 AD & became a major stop on the Silk Road. It was built in memory of a white horse during Former Qin Dynasty
Yumenguan Pass was a strategic pass on the ancient Silk Road. Yumen in Chinese means the jade of Gate. It was so named because the jade of Hotan in what is now Xinjiang region was transported to central China through this pass.
The Ancient City of Dunhuang is in the most west corner of Hexi Corridor in Gansu province. Dunhuang is a famous tourist city with a profound history in the western China.