Southeast corner of the dunes near Lagoa Bonita
A branch of the Rio Negro as it winds its way towards Baixa Grande and Quemada dos Britos
Locals walk through waters stained dark brown by tannic acids leached from plants in the forest
The dunes are composed of quartz eroded from granite that was washed into the sea before the wind carries them inland
Small single family homesteads in Baixa Grande
Goats graze freely on wild vegetation during the lush months of rain
A seasonal fresh water lake adjacent to a barchan dune, with water lilies in blossom
Local family fishing with a gill net as the tide comes in
Early morning life in a fishing camp at Barra da Baleia
Waves of sand firmed by an overnight rain
Fisherman pedaling his catch at dawn to trade it for supplies
Western edge of Lens Maranhenses where the dunes are being pushed into the mangrove forest and seasonal wetlands
Trees killed by barchan dunes advancing into the tropical forest near Barra Baleia
Waters stained with tannin from a nearby forest marbles the sand
A branch of the Rio Negro as it winds its way towards Baixa Grande and Quemada dos Britos
Car tracks on the dunes of Lens Maranhenses