Bruce Nauman
: topological gardens : [U.S. Pavilion at the Giardini della Biennale, Venice, June 7 - November 22, 2009 ; Università IUAV di Venezia at Tolentini, June 7 - October 18, 2009 ; Exhibition Spaces at Università Ca' Foscari, June 7 - October 18, 2009]