Abstract art based on Cézanne's idea that all depiction of nature can be reduced to three solids: cube, sphere and cone. With the painting "Les Demoiselles d'Avignon" (1907), Picasso dramatically created a new and radical picture depicting a raw and primitive brothel scene with five prostitutes, violently painted women, reminiscent of African tribal masks and his own new Cubist inventions. Analytic cubism was jointly developed by Pablo Picasso and Georges Braque, from about 1908 through 1912. Analytic cubism, the first clear manifestation of cubism, was followed by Synthetic cubism, practiced by Braque, Picasso, Fernand Léger, Juan Gris, Albert Gleizes, Marcel Duchamp and
Picasso and the Ballets Russes Picasso and the Ballets Russes Pablo Picasso and the Ballets Russes collaborated on several productions. Pablo Picasso's Cubist sets and costumes were used by Sergei Diaghilev in the Ballets Russes's "Parade" (1917, choreography: Léonide Massine), "Le Tricorne" ("The Three-Cornered Hat") (1919, choreography: Massine), "Pulcinella" (1920, choreographer: Massine), and "Cuadro Flamenco" (1921, choreography: Spanish folk dancers). Picasso also drew a sketch with pen on paper of "La Boutique fantasque" ("La course"), (1919, choreography: Massine). and designed the drop curtain for "Le Train Bleu" (1924, choreography: Bronislava Nijinska), based on his painting, "Two Women Running on the Beach" ("The Race"), 1922. The