The City of Arts and Sciences in Valencia is one of the largest scientific and cultural complexes in Europe. It is made up of impressive buildings such as the Hemisfèric and Oceanogràfic, and stands out because of its avant-garde architecture, designed by renowned architects Santiago Calatrava and Félix Candela.The City of Arts and Sciences in Valencia is situated in a two-kilometre-long area on the old Turia River bed. It is made up of six large elements: the Hemisfèric (IMAX Cinema and digital films) the Umbracle (landscaped vantage point), the Príncipe Felipe Science Museum (an innovative interactive science centre), the Oceanogràfic (Europe's largest aquarium with over 500 marine species), the Reina Sofía Palace of the Arts (dedicated to opera), and the Ágora (a multipurpose space in which concerts and many activities take place).