Ключевые слова: alberta, architect, architectural, architecture, artistic, best, bow, bridge, calatrava, calgary, canada, canadian, center, city, colorful, controversial, downtown, elevated, example, famous, foot, helix, improvement, landmark, modern, office, peace, pedestrian, popular, red, river, santiago, skyline, skyscraper, span, tower, towers, urban, walkway, white, winter,