A selection of panels from BILD/Wien/Austria.
Photos from II Bienal de Arte Urbano : BAU in Cochabamba in Bolivia ft. Decertor, Erica Il Cane, Bastardilla, Inti…
Paintings & collages from Ivan Ninety in Protvino in the south of Moscow. (10 photos)
French middle school mathematics book. What is the proportion of white tiles ?(Thanks Astik).