beautiful secluded beach and a huge cavern in the limestone rock. algarve, portugal

alvor portimao portimapound portugal algarve faro atlantic ocean beach praia submarino district southern blue deep littoral sea seascape arch cave cavern cliff grot grotto hole rock karst developments natural activities destinations explore journey master shots outdoors seasons tour travel vacations secluded solitary private cozy nook landscape scenic spectacular peaceful beautiful huge limestone rock region