dune and sand of carreço beach at low tide, viana do castelo portugal

dune sand carreço beach low tide viana castelo portugal rocks moss puddles water rocky boulder mossy north seaside environment camino santiago seashore seascape outdoor summer vacation nature monument natural gotas magmatic drops magmaticas canto marinho blue touristic tourism destination travel landscape geology beautiful tide scenic panorama ocean atlantic sea water puddles moss stones rocks sand dune minho coastline coast beach carreço castelo portuguese portugal europe