In the cosmos of art collecting, there are few private exhibitors as closely associated with a place (Mexico City) and an industry (juice products) as Fundación Jumex Arte Contemporáneo. The thousand-and-one guests who descended on D.F. this past weekend for the lavish opening of collector Eugenio López’s David Chipperfield-designed Museo Jumex in the uptown neighborhood of Polanco were in for a very different experience than trekking ninety minutes (in good traffic) from the city center to the grounds of the Jumex factory in Ecatepec, where until now the Fundación’s galleries had been headquartered. The exhibition space at the factory still exists; a retrospective exhibition of the Danish collective SUPERFLEX is currently on view. But now the contemporary art collection, Colección Jumex—assumed to be Latin America’s largest—has put down roots in central D.F., rearranging the cultural geography of the Western Hemisphere’s most populous capital overnight. Mexico City is blessed with a number of great contemporary art museums—Museo Tamayo, whether or not it ever expands, in Chapultepec Park; Museo Universitario Arte Contemporáneo (MUAC) on the campus of the Universidad Nacional Autónoma de México (UNAM) in the south; smaller institutions like Museo Experimental El Eco on Reforma and the non-profit Sala de Arte Público …