Posted in Photos Self-Isolation : Tips from 108 April 1, 2020 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…
Posted in Photos Michael Beerens April 19, 2017 2 new walls (well actually shutters) from Michaël Beerens.
Posted in Photos Invader at school November 21, 2016 French middle school mathematics book. What is the proportion of white tiles ?(Thanks Astik).
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