One Of The Towers Of Jiayuguan Fort, Gansu, China. Known As `First Pass Under The Heaven`, It Was The Most Western Fort Of Ancient China On The Silk Road, The End Of Civilization Before The Gobi Desert

KEYWORDS

ancient architecture army asia asian building china chinese corridor defense desert dynasty east famous first fort fortified fortress gansu gate gobi heaven heritage hexi historic history jiayu jiayuguan landmark military monument nature old one oriental pass passage post protection road ruins scene scenic silk stone tourism tourist tower towers travel unesco wall watchtower world