Sonia_Delaunay,_1914,_Prismes_électriques,_oil_on_canvas,_250_x_250_cm,_Musée_National_d’Art_Moderne

A painting by Sonia Delaunay, (and poet Blaise Cendrars), the painting is made up of layers circles and arcs in contrasting colors, and the effect is that of movement, the lines almost seem to shimmer when you look at it just right.