Vladimir Tatlin designed the Monument to the 3rd International in 1919 as a towering spiral structure to honor the Russian Revolution that was never built. Gerrit Rietveld's Schroder House built in 1924 featured De Stijl architecture influences and sliding screens that transformed the interior spaces. Walter Gropius established the Bauhaus school in Germany in 1925 that emphasized simplicity and function but was shut down by Nazis in 1933. Mies van der Rohe's 1922 model for a glass skyscraper inspired later tall buildings. Le Corbusier's Villa Savoye from 1929 inverted typical design with private rooms on the ground floor and an open second floor and roof terrace.