French middle school mathematics book. What is the proportion of white tiles ?
(Thanks Astik).
Today’s message by Guido Bisagni aka 108 who is probably one of the first ten person I had a contact with via ekosystem.org about 20 years ago ! 108: “This…
Blu: “In 2007 and 2008 I painted two walls at Cuvrystraße in Berlin (with the support of Lutz, Artitude and its volunteers).In 2014, after witnessing the changes happening in the…
Today’s flix: Asim from Omsk/Siberia.