Mona Lisa he stresses that the images never existed. Kemp is also adamant that Cotte’s images in no way establish the existence of a separate underlying portrait. On 21 August 1911, the painting was stolen from the Louvre. The theft was not discovered until the next day, when painter Louis Béroud walked into the museum and went to the Salon Carré where the "Mona Lisa" had been on display for five years, only to find four iron pegs on the wall. Béroud contacted the head of the guards, who thought the painting was being photographed for promotional purposes. A few hours later,
Paris in the Belle Époque way across Paris from Boulogne to Vincennes in 1856. But then it was purchased by the CGO, the main omnibus line, and remained simply a curiosity. Only in 1873 did the tramway begin to gain importance, when the CGO lost its monopoly on city transport and two new companies, Tramways Nord and Tramways Sud, one financed by Belgian banks and the other by British banks, began operating from the center of Paris to the suburbs. The CGO responded by opening two new lines, one from the Louvre to Vincennes, the other following the line of fortifications around the city. By