Ключевые слова: abstract, america, american, architecture, background, building, buildings, business, canada, canadian, center, city, cold, commercial, construction, corporate, corporation, design, economy, exterior, facade, future, glass, high rise, impressive, investment, landscape, modern, montreal, new, north, northern, office, perspective, progress, progressing, shape, sky, skyscraper, street, tourism, visit, visiting, wall, window,