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
Ghana Trade Fair Center its first international trade fair was opened on February 1, 1967 by Joseph Arthur Ankrah, the then Head of State. The center lies on a 127-acre land it has shops, exhibition halls,clinics and stands. There are several pavilions, among them Pavilion A, Pavilion B and the round Africa Pavilion. The Africa Pavilion was designed by the Polish architects Jacek Chyrosz and Stanisław Rymaszewski. For the building, they chose a round form with an aluminum roof - a reference to two symbols of power in West Africa: the umbrella and the baobab tree. The aluminum sheets for the round roof of