Ключевые слова: america, american, attraction, beautiful, beauty, blue, boat, border, canada, canadian, cloud, day, edge, fall, falls, famous, flow, flowing, fog, green, horseshoe, lake, landmark, landscape, mist, natural, nature, new, niagara, ontario, outdoors, park, power, river, rock, scenic, sky, spray, sunny, tourism, tourist, travel, usa, view, water, waterfall, wet, white, wonder,