Bedsheets of the Earth: Brazil’s Lençóis Maranhenses National Park2025-10-31నేచర్ బ్యూటీవివరాలుడౌన్లోడ్ Docxఇంకా చదవండిBeneath the sand lies an impermeable layer of rock (clay or sediment), which plays a crucial role in shaping the park’s most remarkable feature, its lagoons.