Previous ImageNext Image Bollinger + Grohmann. Structural Engineering for EPFL Rolex Learning Center designed by SANAA, Lausanne, Switzerland, 2010 Bollinger + Grohmann. Structural Engineering for EPFL Rolex Learning Center designed by SANAA, Lausanne, Switzerland, 2010 Bollinger + Grohmann. Structural Engineering for EPFL Rolex Learning Center designed by SANAA, Lausanne, Switzerland, 2010