The international exposition at Seville, Spain in 1992 attracted over 36 million visitors, making it one the most successful exhibitions of its kind in the world. At least eight billion dollars was spent on 111 pavilions, buildings and landscape architecture, infrastructure and other services. There were 108 participating countries, 17 independent communities, 23 international organizations and 7 companies with their own buildings, all included on a list that went far beyond the expected number of participants. The purpose of Expo 1992 was to celebrate the 500-year anniversary of the arrival of Christopher Columbus to America. The project was managed by two general commissioners, Manuél Olivencia Ruíz and Emilio Casinello Aubán. Two proposals for master plans were accepted—one by Emilio Ambasz, the other by the firm Fernández Ordoñez, Junquera and Pérez Pita—and the latter was chosen. An entirely new infrastructure was created for the Spanish exposition, including highways, bridges, a ...