http://commons.wikimedia.org/wiki/File:Boull%C3%A9e_-_Projet_d%27Op%C3%A9ra_-_%C3%A9l%C3%A9vation.jpg

http://www.taringa.net/posts/imagenes/14360576/Etienne-Louis-Boullee-un-arquitecto-alucinado.html

Ópera

https://s-media-cache-ak0.pinimg.com/736x/3a/9f/70/3a9f70e5b15fa0704f10fc75f2ea1d91.jpg

http://areeweb.polito.it/didattica/01CMD/catalog/002/1/005.jpg

Planta

http://40.media.tumblr.com/tumblr_m06dtyt8wy1qe0nlvo1_1280.jpg