Commonly known as Expo 67, the 1967 International and Universal Exposition drew more than 50 million visitors. Part of Canada’s centennial year celebration, Expo 67 featured 90 pavilions representing the “Man and His World” theme, including a geodesic dome designed by architect Buckminster Fuller and the Habitat 67 housing complex designed by architect Moshe Safdie, which is still occupied. Though considered the 20th century’s most successful World’s Fair, Expo 67 had a deficit of how much? Discuss