Dan Graham pavilions

these will change your life..! made of two-way mirror glass, both see-through and reflective, both sculpture (beautiful object) and architecture (you can only Get the optical illusions from being Inside), you are both a spectator and an actor

these are continuously globally cycled through museums and even just out in public being beautiful:

• - Cambridge, MA

• - Columbus, OH

• - Düsseldorf, Germany

• - Villeneuve-d'Ascq, France