The Cité des Sciences et de l'Industrie is in the Parc de la Villette, a large park where there was once a slaughterhouse and difficult terrain. The slaughterhouse building remained standing but now functions as a museum. Apart from the Cité there are places for sports, children's attractions, restaurants and the Cité de la Musique, a building devoted entirely to music in all its facets. The Cité des Sciences is a kind of interactive museum. The building consists of many parts, an area to discover curiosities of physics, another to investigate, a huge library of free access to study, an aquarium, exhibition halls and conference rooms where ministers, politicians, scientists, etc.