Jiayu Pass
Jiayuguan Pass, known as the "Impregnable Pass under Heaven," is the westernmost fortress of the Ming Dynasty's Great Wall of China, located in Jiayuguan City, Gansu Province, in northwestern China.[1][2]
Construction began in 1372 under the direction of Ming general Feng Sheng and continued over 168 years until 1539, resulting in a robust defensive complex featuring an inner walled city, an outer city, ramparts, towers, and a surrounding moat that protected against invasions from Central Asian nomads.[1][3][4]
Strategically positioned at the narrow Hexi Corridor, it served as a critical military outpost and gateway along the ancient Silk Road, controlling trade routes between China and the West while symbolizing the empire's frontier defenses.[5][6]
As part of the Great Wall, inscribed on the UNESCO World Heritage List in 1987, Jiayuguan exemplifies the engineering feats and imperial ambitions of the Ming era, remaining one of the most well-preserved passes today.[7][5]