The balloons serve multiple purposes by broadcasting the games, generating solar power for night lighting, cleaning the air of CO2, and providing shade.

The winning entry was designed by Jose Carlos Cruz, Ines Guedes, Miguel Santos, and Antonio Cruz to look like the Olympic rings. The rings are extruded into rooms where visitors can find out information, relax, shop, or get a drink. The Olympic colors are used to in the rings on top of the buildings. The series of intersecting circular rooms incorporates recycled steel, while the rooftop holds solar panels that will generate power for the pavilion during the day.