holy city. the ruins of the ancient hierapolis city next to the travertine pools of pamukkale, turkey

natural travertine pools terraces pamukkale cotton castle southwestern turkey texture view castle's poterraces hierapolis pamukale amphitheater ancient city dramatic sunset sky unesco cultural heritage monument close phrygia sign pool antique denizli aegean region asia theamphitheater unknown people sidewalk flowered garden interior holy ruins next turkeyhierapolis contry