“Saturacion informativa” by Sabotaje al Montaje & S-Bimbo in Tenerife/Canary Islands.
Goddog in La Seyne-sur-Mer for le M.U.R.
A few walls by Blot from Penza, Russia.
The history of graffiti on trains in Madrid.What does graffiti have to do with hip hop? and a few other good articles at urbanario.es.