With the return of the Art Basel Paris fair, the capital regains a bit of poetry by transforming itself into an open-air museum. If the appointment will still be shortened because of the demonstrations and will end this Friday at 7 p.m., several works are to be admired free of charge by then. A great artistic manifestation. If the edition of Art Basel Paris takes its neighborhoods each year under the window of the Grand Palais, the fair dedicate…