Vasco da Gama tower and the cable cars in the area around the Park of Nations with the Vasco da Gama bridge in the background created for Expo 1998...
{"Image ImageDescription": "PORTUGAL - OCTOBER 25: Vasco da Gama tower and the cable cars in the area around the Park of Nations, with the Vasco da Gama bridge in the background, created for Expo 1998, Lisbon. Portugal, 20th century. (Photo by DeAgostini/Getty Images)"}