Sorry, Jean, it’s not the work of an architect. It is the work Hommage a Arago by Jan Dibbets. It is a piece consisting of 135 medallions which stretches from the north to the south along the Paris Meridian, and commemorates the famous (but absent) scientist and astronomer Francois Arago. His bronze statue was melted down by the Nazis during the occupation of Paris, and was never replaced. Except, conceptually, by Dibbets, one of whose medallions is to be found on the plinth. Not all the medallions have survived… But as we have noted, Paris respects its axes… From this one at the Palais Royale you are lured towards a Daniel Buren, and then…

a Pol Bury. Rich pickings, eh?