Jiayuguan fortress with two gatehouses at the western end of the Great Wall, Silk Road, Gansu, China, Asia

architecture asia asian at attraction attractions bastion bastions being beings border borders building buildings china chinese cultural day daylight daytime during end exterior exteriors fortification fortifications fortress fortresses gansu gate gatehouses gates great heritage human humans jiayuguan limiting monument monuments of outdoor people person persons photo photos point points road seeing shot shots sight sights silk site site sites sites square squares stronghold strongholds the tourism tourist touristic touristical touristically tourists touristy tower towers two unesco view views wall western with world worth