Ключевые слова: alberta, architecture, blue, building, calgary, canada, city, cityscape, clouds, crane, district, downtown, encana building, exterior, goose, grass, highrise, historic, landmark, landscape, landscaping, lawn, modern, modern city, nature, north america, office, outdoors, panorama, park, river, sky, skyline, skyscraper, structure, tall, tower, travel, tree, urban,