Paris based artist Felice Varini paints geometric designs onto buildings. The trick is, you must be standing at an exact point to see them, otherwise they appear as random broken lines (as seen above).
From antoineetmanuel.com Antoine et Manuel Work for the CNDC - Centre national de danse contemporaine, Angers ADDED ON NOVEMBER 12, 2011 By Antoine et Manuel Antoine Audiau and Manuel Warosz met at art school in Paris. When they left it was as a professional pair, under the name of Antoine + Manuel, representing the sum of two ways of working. Each of them explores his favourite fields and methods of working.
Brooklyn-based artist Amanda Browder, along with the North Brooklyn Public Art Coalition (NbPAC) are in the process of constructing Future Phenomena, a fabric public art sculpture on the facade of a building in Greenpoint, Brooklyn, NY.