Bright blue water at the entrance to the collapsed cave Sykia, Milos, Cyclades, Greece, Europe

aegean sea aegean balkan peninsula balkans balkan blue water blue bright broken bust caves cave collapsed cyclades islands cyclades deserted destroyed empty entrances entrance entry europe glare glowing glow greece greek islands greek island greek islands island mediterranean sea mediterranean milos nobody no one no people sea shine southeastern europe southeast europe southern europe south europe travel photography travel uninhabited water wrecked