The city center of Rio de Janeiro is predominantly commercial with a mixture of historical buildings as well as modern skyscrapers. Sites of interest include the Paço Imperial, Candelária Church, the Old Cathedral of Rio de Janeiro, and the modern-style Saint Sebastian's Cathedral. Around Marechal Floriano Square, there are several landmarks from the Belle Époque such as the Municipal Theatre and the National Library building.There are several museums and an 18th century public garden (Passeio Público).