Lagoa Azul (Blue lagoon) and sand dunes, Parque Nacional dos Lencois Maranhenses, Brazil, South America

blue lagoon brazil color image contemporary day green lagoa azul lagoon lake landscape lencois maranhenses national park natural phenomena natural world nature parque nacional dos lencois maranhenses photography ripple sand dune scenics travel travel destinations vertical water water's edge americas brazilian color colour daytime dune park sand south america