Ключевые слова: air, america, american falls, autumn, boat, building, canada, cascade, cliff, cloudy, coast, colorful, cruise, daytime, edge, erosion, fall, falling, famous, flowing, fog, forest, green, height, horseshoe fall, lake, landscape, mist, nature, niagara falls, observation deck, ontario, outdoors, panorama, park, platform, pouring, rainy, river, ship, spray, steam, tour, tourism, tourist, trees, usa, viewpoint, vivid, waterfall, wet,