Featured on PDR in the collection Leaving the Opera in the Year 2000

Le Sortie de l'opéra en l'an 2000 is a print from the late-19th century depicting a futuristic view of air travel over Paris as people leave the opera. Many types of aircraft are shown including flying buses, limousines and, what are presumably, police vehicles. On the latter are mounted strangely un-futuristic sword-carrying officers that wouldn't seem out of place on the Opera's stage itself. As far as the get-up of the normal opera-going folk, things don't seem to have progressed too radically, though many of the men seem to be sporting the same bizarre military-esque hat. To the left of the scene, amongst the flying vehicles, we can see a restaurant, which like the Opera building itself, is elevated to an enormous height above the…