1914 Mario Chiattone: Constructions for a Modern Metropolis

1919 Virgilio Marchi: Citta Superlore

1922 Le Corbusier: Viller Contemporaine

1924 Ludwig Hilberseimer: Vertical City

1924 El Lissitaky with Mart Starn and Emil Roth: Wolkenbugel

1926 Kiesier: City in Space

1927 Richard Neutra: Rush City Reformal

1928 Chernikhov: City of the future

1928 Fritz Lang: Metropolis

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1929 Le Corbusier: Rio de Janeiro

1930 Le Corbusier: Plan Obus Alglers

1931 Tulio Crafi: Urban Airport

1931 Hugh Ferris: Metropolis of Tomorrow

1931 Raymond Hood: Manhattan 1950

1931 Raymond Hood: City under a Single Roof

1945-52 Le Corbusier: Unité d´Habitación

1947-52 Alfonso Reidy: Pedregulho

1951 Aliso and Peter Smithson: Golden Lane

1956 Frank Lloyd Wright: Mile High Building

1958 Yona Friedman: La Ville Spatiale

1958 Walter Jonas: Intrapolis

1959 Kenzo Tange: Boston Harbor

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1960 Frei Otto: Suspended City

1960 Arata Isozaki: Space City

1960 Kenzo Tange: Tokyo Bay

1962 Constant: New Babylon

1962 Arata Isozaki: Clusters in the Air

1962 Paul Maymont: City under the Saine

1963 Walter Pichier: Compact City

1963 Warren Chalk and Flen Harron: City Interchange

1969 Paul Maymont: Ville Flottante

1969 Schutze Fielitz: Raumstadt