This September, Paris will welcome a landmark installation by the monumental artist Christo, who, in partnership with his wife Jeanne-Claude, is best known for his transcendental, environmentally focused works of sculpture-architecture, including Running Fence in California (1972–76), The Umbrellas in Japan and California (1984–91), The Gates in New York's Central Park (1979–2005), The Floating Piers at Lake Iseo in Italy (2014–2016), and The London Mastaba on Serpentine Lake in London (2016–201...