beautiful view of the santorini caldera

aegean ancient architecture area background bay beautiful boat caldera clear coast coastline colors craters cyclades daytime destination europe feature geological greece greek green gulf high holiday island journay landmark landscape mediterranean minoan mountain natural nature old outdoor ridge rocks sailing santorini scene scenic sea seascape season september settlement shore sky steep stratum structure sun thera tourism touristic tranquil travel trip turquoise vacation view volcanic volcano wallpaper walls water wave white