| http://www.w3.org/ns/prov#value | - Instead of just constructing ???an enlarged easel painting,??? he realized that the mural ???must conform to the normal transit of a spectator.??? Eventually, Siqueiros would develop a mural technique that involved tracing figures onto a wall with an electric projector, photographing early wall sketches to improve perspective, and new paints, spray guns, and other tools to accommodate the surface
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