Ключевые слова: adventure, alberta, america, architecture, autumn, blue sky, building, buildings, business, calgary, calgary skyline, canada, city, cityscape, day, district, downtown, downtown calgary, explore, famous, holiday, landmark, modern, national, north, north america, observatory, office, outdoor, park, people, road, shop, sky, skyline, skyscraper, skyscrapers, street, tourism, tourist, tower, town, traffic, travel, urban, vacation,