Ключевые слова: architecture, building, business, capital, central, city, co2, color, colorful, downtown, environment, europe, glass, historic, indoor, journey, landmark, london, metro, modern, passenger, people, platform, public, rail, railroad, railroad station, railway, shop, speed, station, steel, store, subway, tourism, tourist, track, train, transit, transport, transportation, travel, uk, underground, urban, window,