Parisians continue to polish their jewel of a city for next summer’s Olympics. Landmarks like the Madeleine and Notre Dame are sheathed in scaffolding, while others like the Bourse are already gleaming from recent restoration, and the Seine is being decontaminated and readied for swimming events. This fall art lovers descended on the city in droves for the second edition of Paris Plus, aka Art Basel Paris, which brought art installations to the Tuileries and Design Miami to the late Karl Lagerfe...