Which, if any, of the windows are real? Trompe-l'œil - to deceive or fool the eye. A part of "La Mur des Canuts" in the Croix-Rousse district - Lyon, France. It is said to be the largest fresque/mural in Europe. Artists: CitéCréation, a cooperative of artists started in 1978 and inspired by the works of Diego Rivera. They have now created more than 650 similar murals around the world.
On the painted façade, there is ONLY ONE small real window along a balcony.
Taken from a vehicle. Artists' site: cite-creation.com/