Art Abstractov from Moscow in Spain.9 new photos.
5 Bulgarian trains by Shlomo in 2013 (extracted from the depths of my mailbox)
Daily photos: Urban hijacking by Dede from Israel + geometric & color experiments from Flix, Spogo & Giulio Vesprini.
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.