Giant Optical Illusions That Transform Buildings and Cities

No, this building isn't being ripped open with giant actuators. It's an architectural optical illusion, created by artists using projectors. Here are some of the most astonishing examples of this city-scale art form, from around the world.

Promotion of the movie "The Tourist" on the Praetorian Building, Dallas, 2010

Prague Astronomical Clock (or Prague Orloj), Prague, Czech Republic

Vienna Now or Never on Imagination Building, London, 2010

Evolució, on the Musées d'Art et d'Histoire, Geneva, Switzerland by Onionlab, 2013

Kubik 555 at the Kunsthalle Hamburg, Germany, by Daniel Rossa and Urbanscreen, 2009

Place des Célestins, Lyon, France, 2010

Celebrating the 19th anniversary of Ukranian independence, Kharkiv, Ukraine, 2010

Mont Orgueil Castle, Saint Martin, Jersey, Channel Islands, 2009

An Adidas ad on Palais du Pharo, Marseille, France, 2011

A Carlsberg ad at Liverpool Street Station, London, UK, 2011

De Bijenkorf, Rotterdam, December 2010

Armenia's history on Matenadaran, Yerevan, Armenia, 2012

Best of the 3D projection expert NuFormer Projection