Complex sentence: The Museu Imperial de Petrópolis is a museum in the historic center of Petrópolis, Rio de Janeiro, Brazil, housed in the former summer palace of Eemperor Pedro II (1831-1889), built in 1845.
Split into simpler sentences: The Museu Imperial de Petrópolis is a museum situated in the historic center of Petrópolis, Rio de Janeiro, Brazil. It is housed in the former summer palace of the emperor, Pedro II (1831-1889), built in 1845.