Ключевые слова: america, american, american falls, attraction, blue, canada, canadian, cascade, climate, cold, color, colour, day trip, edge, falls, famous, flow, flowing, fog, frozen, geography, geology, horseshoe, ice, landsc, landscape, majestic, mist, natural, nature, niagara, niagara falls, niagara river, ontario, power, powerful, rainbow, river, sky, snow, spray, tourism, travel, usa, water, waterfall, weather, white, winter, wonder,