Ключевые слова: big, boulders, canada, cataracts, change, clean, clear, climate, dangerous, falls, fast, flashflood, flood, flooded, flow, foam, force, forest, ice, landscape, motion, mountain, mountains, natural, nature, outdoors, powerful, rage, raging, rain, rapid, rapids, river, rock, rocks, rocky, rushing, speed, splash, spring, stream, strength, torrent, tourism, turbulent, water, wave, white, wild, winter,