Not so "square" Roland!

Things are pretty rough at the moment on my side so I went back to Montmartre for a walk around the vineyards (it's the green part, in the background) and I came across this little square, named after Roland Dorgelès, a French journalist and writer who became famous after a hoax: he attached a brush to the tail of a donkey, made it paint "something", called the painting "Sunset over the Adriatic" signed it by the donkey's name anagram Boronali (first name Joachim-Raphaël!) and managed to exhibit the "masterpiece" at an art show in 1910! It sold for 400 francs (1 400 of today's euros) apparently.