From left to right: Beijing’s 2008 Olympic Stadium, 2005-08; Divina Proportione, 2006; F-Size, 2011. Installation view of Ai Weiwei: According to What? at the Hirshhorn Museum and Sculpture Garden, Washington D.C., 2012. Photo: Cathy Carver 2012-09-12-114020659363322875_05-lg 0 By sherrie green on May 20, 2015