Hue Citadel Gates, The Imperial City, Hue, UNESCO World Heritage Site, Vietnam, Indochina, Southeast Asia, Asia

outdoors outside colour image colour color color image day daytime vertical photography hue citadel gates the imperial city cities hue vietnam travel no people nobody no one no one travel destination tourist destination architecture architectural building exterior building buildings exterior exteriors wall water pond unesco world heritage site unesco world heritage sites unesco world heritage site world heritage sites fort forts fortified fortification protection defense history historical historic heritage cultural culture protection citadel landmark