Metro-art in the Metro-polis

aluminum Amsterdam Art Nouveau Arthur Erickson artistic input artwork Atlanta benches Berlin Brussels building built ceiling ceramic colors columns concrete cultural decorated designed by architect Désirée Clary display enameled ephemeral feet Fridhemsplan glass graffiti graphic grotto grotto-station Hector Guimard Herman Liebaers installed integrated landmark station light Lille Lisbon located London London Underground Lucien Kroll Lyon marble Marseilles MARTA mass transit Métro metro entrances metro line metro stations metro systems metro-cities metro-polis metro's construction Metropolitan Mexico City modern Montreal Montreal metro monumental mosaics Moscow Munich mural museum Nieuwmarkt opened operating the metro Otto Wagner painted panels Paris Metro passengers Petersburg pillars Prague public art public transportation RATP renovation reproductions République Rotterdam sculptures served signage Square Stockholm metro Street streetcar style subterranean architecture subway surface transportation terminal stations ticket tiles Toronto Toulouse trains tube tunnels underground space urban vandalism Vienna wall York City