blue caves and ionian sea - zakynthos island, landmark attraction in greece. seascape

algae arch attraction azure background beautiful blue breeze bright calm cave caves clarity cliff coast coral crystal current deep dive dreamlike elephant erosion europe famous flowing greece green heaven hill hole holiday ink ionian island landmark landscape marine mediterranean natural nature ocean orange panorama power quiet relaxing rock rocks rocky rough sea seascape season seasonal shadow shiny shore stone stream strength summer summertime sun sunny swim symbol tidal tourism travel trunk ultramarine vacation vegetation view water waves wet zakynthos zante