Ключевые слова: beauty, blue, calcium, carbonate, clouds, denizli, dusk, evening, famous, formation, geological, geology, hierapolis, illuminated, illumination, landmark, landscape, light, limestone, mineral, mountain, mountains, nature, night, outdoor, pamukkale, phenomena, pool, rock, scene, scenic, sundown, sunset, terrace, thermal, tourism, travel, travertine, turkey, turkish, water,