@deeperarchive: This divide between biomes is a rare transition zone where the forests lush coastal vegetation abruptly meets the rolling white sand dunes and freshwater on the horizon. The dunes are technically classified as a wet desert, since heavy annual rainfall fills the valleys between the dunes with clear turquoise water pools. The region spans over 380,000 acres and has been a protected national park since 1981. The moving coastal winds help stop plant seedlings from taking root on the dunes, keeping the sand bare next to the anchored forest without overlap. #geography #nature #brazil