Pan left to view the tide going out to the ocean, Puerto Peñasco, Gulf of California, Mexico

pan left mud flats tide going out ocean sea shoreline coast flow flowing rock flats sand ridges sand flats wildlife reserve beaches scenery environment geography coastline rugged nature peace seaside climate stream movement refresh fluctuation extreme terrain moving coastal feature environmental conservation eroded nature reserve foreshore intertidal beach habitat littoral zone rocky shore marine biomes ecology extreme ecosystem drastic change holes cracks crevices biodiversity puerto penasco gulf of california mexico