Jiayuguan is located in the northwest of Gansu Province, is the western starting point of the Great Wall of Ming Dynasty, known as the "first Xiongguan in the world". It was built in 1372 and became a throat fortress of the ancient Silk Road due to the danger of the terrain. Guancheng consists of inner city, Yucheng, Luocheng, etc., with majestic architecture and well preserved, showing the wisdom of ancient military defense system. Jiayuguan is not only an important historical and cultural heritage, but also a famous tourist attraction, which is listed in the World Heritage List. The surrounding Gobi is magnificent, with both historical and natural beauty. Tickets can be booked in Trip.com .