Cubist period was Picasso's "Les Demoiselles d'Avignon." This 1906 canvas is said by Janson (1986: 682) to resemble a field of broken glass. The canvas can be read as containing a world of its own that is analogous to nature but is structured along different principles. Janson (1986: 682) asserted that "Picasso's revolutionary building material, compounded of voids and solids, is hard to describe with any precision. The early critics, who saw only the prevalence of sharp edges and angles, dubbed the new style Cubism."
Contrasts of color and texture were used by Picasso in this and subsequent Cubist works, including "Ambroise Vollard" and "Still Life with Chair Caning." Picasso's later works in Cubism became an abstract style
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