The frankly gorgeous staircase at the Musée National Gustave Moreau onRue de La Rochefoucauld in Paris.
Pic by Nico
Infinite staircase: a 9m high double spiral of steel designed by Olafur Eliasson and installed at the KPMG office in Munich.
Photo: Christian Krieglsteiner
Staircase storage by Danny Kuo.