Ключевые слова: blue, boulder, brook, canyon, cascade, clean, clear, cold, creek, current, down, environment, erosion, fall, falling, fast, flow, flowing, fluid, foam, gorge, green, landscape, liquid, moss, motion, mountain, nature, pure, rainforest, rapid, river, rock, rushing, splash, spray, spring, stone, stream, strong, swirl, terrain, tropical, turquoise, view, water, waterfall, wave, wet, white,