truong du pavilion and lake

architecture asia asian brown building buildings bush bushes ceramic chinese citadel city column columns decorated dien east eastern exterior external famous formal garden gardens green grounds heritage historic hue imperial lake lakes landmark landmarks lantern lanterns old orange oriental ornamental ornate outdoor outside palace palaces pavilion pavilions plant plants pond ponds residence rockeries rockery site south structure style thien tho thua tile tiles tourism travel tree trees troung truong unesco vietnam wall walls water wood wooden world yellow