A concrete shell with a very large span.

Another look at the concrete shell. We can see that the length of the span probably exceeds 50 meters (165 feet).

The Atlantico pavilion – the center stage of the Expo98 exhibition.

The Vasco da Gama bridge and tower.

A view of the Oriente strain station in the background.

A giant membrane at the entrance to the exhibition area.

The roof of the Oriente train station.

A view to the other side. A footbridge is connecting the train station with the Vasco da Gama shopping center.

Another view of the shopping centre with the steel ribbed roof above.

The inside of the station.

Lower floor of the station with a large roof span, with no supporting columns.