Ключевые слова: america, american, area, attraction, awe, beautiful, beauty, blue, blur, canada, cascade, cascades, cliff, cloud, cloudscape, contemplation, edge, erie, fall, falls, famous, grass, green, international, lake, landmark, landscape, liquid, liquids, mist, motion, nature, niagara, niagra, outdoor, outdoors, place, plant, rapids, river, rocks, scenery, scenic, sky, smooth, splash, splashing, spray, states, stream, streams, summer, swift, tourism, tourist, travel, traveling, tumble, turbulent, united, vacation, view, water, waterfall, waterfalls, waters, wet, wonder,