Ключевые слова: architecture, building, capital, central, city, city circle line, cityringen, copenhagen, copenhagen central station metro, danish, day of opening, denmark, editorial, europe, european, illustrative, indoor, kobenhavn, line, m3, metro, metro line, new, new interior, new metro, new station, old, open m3, opening, opening day, people, public, public transport, red, scandinavia, sign, station, tourism, train, transport, transportation, travel, underground, urban,