The Tours Aillaud (also known as Tours Nuages) are a group of residential buildings located in Nanterre, in the inner suburbs of Paris, France. They were built in 1977 at the outskirts of La D?fense business district. The Tours Aillaud are named after their main architect, Emile Aillaud. The exteriors are frescos representing clouds in the sky (in French nuages), which is the origin of their nickname Tours Nuages.