450 climbing plants in L'Umbracle. There also are 5,500 ground cover plants such as lotus, agatea, Spanish Flags, and fig-marigolds. There are over a hundred aromatic plants including rosemary and lavender. L'Oceanogràfic (2003) – an open-air oceanographic park. It is the largest oceanographic aquarium in Europe with 110,000 square meters and 42 million liters of water. It was built in the shape of a water lily and is the work of architect Félix Candela. Each building represents different aquatic environments including the Mediterranean, wetlands, temperate and tropical seas, the Antarctic, the Arctic, islands and the Red Sea. This aquarium is a home to over 500 different species including dolphins, belugas, sawfish, jellyfish, starfish, sea urchins, walruses, sea lions, seals, penguins, turtles, sharks and rays. It also houses wetland bird species. Palau de les Arts Reina Sofía (2005) – an opera house and performing arts center dedicated to music and the performing arts. It is surrounded by 87,000 square meters of landscape and water, as well as 10,000 square meters of walking area. The Palau de Les Arts has four sections: the main hall, the master hall, the auditorium, and the Martin y Soler theatre. It holds many events such as opera, theatre and music in its auditoriums. Panoramic lifts and stairways connect platforms at different heights on the inside of the metallic frames of the building. The building has a metallic feather outer roof that is 230 meters long and 70 meters high. The building is supported by white concrete. Two laminated steel shells cover the building, weighing over 3,000 tons. These shells are 163 meters wide and 163 meters long. Montolivet Bridge (2007) - concrete road bridge crossing the dry Turia riverbed that consists of an older straight-roadway northern segment with column piers designed by Fernández Ordóñez (1933-2000) connected with a newer curved-roadway southern segment with white arch point supports designed by Santiago Calatrava, located in between, and complementing his design of, Palua de les Arts Reina Sofía and L'Hemisferic. Assut de l'Or Bridge (2008) – a white cable-stayed bridge sustained by a curved pylon with backstayed counterweights, crossing the dry Turia riverbed, connecting the south side with Minorca Street, in between El Museu de les Ciències and L'Agora. The pylon of the bridge, at 125 meters high, is the highest point in the city. L'Àgora (2009) – a covered plaza in which concerts and sporting events (such as