Phu Xuan Royal Citadel, Hue - Aerial View of Historic Complex, vertical

phu xuan hue vietnam aerial view historic complex architecture citadel royal ancient scenic panoramic high angle travel tourism southeast asia cultural famous landmark historical site heritage vietnamese history royal palace traditional historic buildings greenery drone shot vertical historical cultural site palace royal residence vietnamese citadel complex traditional buildings travel destination tourist attraction landscape famous place ancient architecture drone footage drone view dolly in above forward flying