Montreal Olympic Stadium and surrounding structures, are but a few notable examples of the city's 20th-century architecture. Pavilions designed for the 1967 International and Universal Exposition, popularly known as Expo 67, featured a wide range of architectural designs. Though most pavilions were temporary structures, several have become landmarks, including Buckminster Fuller's geodesic dome U.S. Pavilion, now the Montreal Biosphere, and Moshe Safdie's striking Habitat 67 apartment complex. The Montreal Metro has public artwork by some of the biggest names in Quebec culture. In 2006 Montreal was named a UNESCO City of Design, only one of three design capitals of the world
Inhotim Vik Muniz. One pavilion is devoted to one of Paz′s ex-wives, the Brazilian artist Adriana Varejão. In 2008, a geodesic dome designed by Paula Zasnicoff Cardoso of the Brazilian architectural practice Arquitetos Associados was constructed within a eucalyptus forest and now contains Matthew Barney's installation "De Lama Lâmina [From Mud, a Blade]" (2004–08), which shows a vehicle uprooting a tree. Chris Burden’s "Beam Drop" (1984–2008) is made of 72 steel beams dropped 45 meters from 150-foot-high cranes into a pit filled with wet cement. "Sonic Pavilion" by Doug Aitken was realized in 2009 and consists of a circular building of