Vietnam, Hue, Ceramic mosaic on a wall at the tomb of Emperor Tu Duc.

region south east asia travel tourism holiday vacation sightseeing tourist attraction cong gate gateway emperor tu duc royal tomb tombs mausoleum hue vietnam viet nam vietnamese indochina asia asian orient oriental building buildings architecture architectural facade edifice entrance arch arches archway archways nguyen phuc hong nham thi historic historical history heritage ornate culture cultural traditional decorated decorative colour color colourful colorful wall blue sky symmetry symmetrical symmetric nguyen unesco ducs ducs outdoors outdoor outside exterior