To Sua Ocean Trench, Upolu island, Samoa

© Chris McLennan/Alamy - 2022-01-15

water plant water resources natural landscape fluvial landforms of streams lake watercourse spring coastal and oceanic landforms body of water grass landscape formation forest riparian zone natural arch tree jungle stream arch mineral spring erosion reservoir coast arroyo rock mountain river cove algae tropics water feature bay valdivian temperate rain forest temperate broadleaf and mixed forest headland rainforest klippe old-growth forest inlet pond tarn tropical and subtropical coniferous forests sea riparian forest tourism cape leisure tributary vacation creek