Beautiful Aerial Drone Shot of Tidal River Tributaries and Marsh Land

texture veins travel estuary aerial view winding winding river ecosystem environment nature river pools mire mud mud flat mudflat saltwater stream swamp tidal tidal water water wetlands wild abstract coast landscape coastal environment drone view of salt marsh green intertidal intertidal zone maldon marsh meander tributaries top down shot slow track high above up high small bushes brown sand outdoors yellow cracks earth separation oostvoorne patterns netherlands