This one-of-a-kind collection has over one hundred works. About thirty works are on display, including some very old some pieces, such as the model of the Temple district from the 18^th century. Forgotten or vanished monuments from Paris of the Ancien Régime and the 19^th century can be found here, as well as a few neighbourhoods that were erased by the urban plans implemented before the Second World War. The 20^th century is represented by models of exemplary architecture, including the underground tunnel, innovative buildings, such as the school on Kuss street, by Expert, and the Area, before its destruction…