Ключевые слова: ab, athabasca falls, background, beautiful, beauty, blue, canada, canyon, destination, environment, erodes, erosion, falls, flow, green, holiday, jasper, landscape, limestone, mountain, mountains, natural, nature, outdoor, outdoors, park, river, rock, rocky mountains, rushing water, scene, scenery, scenic, sky, stone, stones, stream, summer, tourism, travel, tree, trees, vacation, valley, view, water, waterfall, wild, wilderness, wood,