Clear estuary water and abstract sand patterns of Goukou river in Still Bay

still bay patterns goukou sand patterns estuary coastal habitat tidal flooding intertidal zone stilbaai estuarine marsh clear water abstract sand river seawater intertidal south africa estuarine tidal wetland river mouth marine reserve cape garden route vacation western cape seaside coastline holiday destination scenic coastal vacation spot holiday sea outdoors marine ecosystem clear water environment sand banks estuarine river river bank wetland lapping water calm relaxed no people copy space text space place for text