Ключевые слова: america, brazil, bubbles, bucolic, bush, canela, cascade, cataract, chute, cliff, downhill, environment, erosion, extreme, fall, flow, foam, forest, gorge, hill, imposing, landscape, leafy, liquid, multistep, nature, outcrop, outdoor, park, rapids, rio grande, rock, romantic, sierra, sight, south, spume, stone, temperate, tiered, tourism, tranquility, travel, tree, vacation, valley, water, waterfall, wilderness, wood,