Jiayuguan: Jiayuguan is the ancient "Silk Road" traffic arteries, the ancient of "fringe lock and key", "Great Wall to dominate," said, because the mountain is located in Jiayu Lu therefore called "Jiayuguan." Owing to the mountains and Zhu Feng Xiong Zhi between its towering even more ambitious, so also known as "best in the world with big." Jiayuguan City, built in the Ming Hongwu five years (1372), dating back 600 years of history. Jiayuguan construction, spend a lot of manpower and material resources, so interpretation set out the bricks, Ice Road transport stone, goats pack brick, stone Yanming, etc. moving story hit. Today, Jiayuguan boarding gate tower, you can saw not far from the Qilian Mountains and Mongolia over the strange quiet around the expansive glaciers and the boundless Gobi Desert.