Ключевые слова: alberta, athabasca, autumn, beauty, bubbling, canada, canyon, cascade, cliff, color, concept, ecological, extreme, falls, forest, green, jasper, made, man, mountain, national, nature, outdoors, park, peak, people, power, rapid, river, rock, rockies, scenic, sky, spray, stone, stream, summer, sunset, tourism, travel, tree, water, waterfall, wilderness,