Perhaps the Mona Lisa is smiling at the irony. The first thing tourists will see when they enter the Louvre won't be the Nike of Samothrace, but the golden arches. McDonald's is slated to open an eatery inside the Louvre at a new ticketing area, the New York Daily News Reports. Museum workers are worried that "very unpleasant odors" from the burger joint might waft through the museum. Although France venerates traditional recipes and haute cuisine, in 2007 it became McDonald's biggest market outside of the U.S.