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

architecture asia asian at attraction attractions autumn bastion bastions building buildings castle castles china chinese colours day daylight daytime during end exterior exteriors famous fortification fortifications fortress fortresses gansu gatehouses great in jiayuguan known landmark landmarks nobody of outdoor photo photos renowned road seeing shot shots sight sights silk site sites stronghold strongholds the tourist tower towers trees two wall wall walls well well known western with worth