The Old Port is part of the Genoa port, currently used as a residential neighborhood, center of tourism, culture and services. its rehabilitation was completed at the Expo 1992. It extends from Cavour Square to Parodi Bridge, creating a vast square overlooking the sea, the largest in the city, in which are located the Aquarium and many interesting museums, exhibition and entertainment places, for an area of over 230.000 square meters. Its total restoration was entrusted to architect Renzo Piano, on the occasion of the celebrations of the fifth centenary of the discovery of America. Within the district there are many seventeenth century mansions, alternating with contemporary, such as the Biosphere, glass and steel ball housing butterflies, iguanas, ferns and various species of tropical plants (always work by Piano for the Summit of the G8, 2001) and the Bigo, metal monument that depicts a large cargo cranes, such as those mounted on ships (by Renzo Piano). Siberia Gate is, in fact, a part of the sixteenth century walls built by Galeazzo Alessi. The name comes from "cibaria" because through this gate passing the food that arrived by sea-ports from Mediterranean. After the renovation of the Old Port, it was opened inside the Museum Emanuele Luzzati, with temporary exhibitions of the Genovese artist and more contemporary illustrators. The marina closes the space with to the Submarine-Museum "Nazario Sauro (S 518)" and the "Neptune Galleon", imaginative reconstruction of an ancient pirate galleon, built as a backdrop of the movie "Pirates", by Roman Polanski.