<prompt> Translate the following text to EnglishMakumbusho yake saba na maonyesho kufuatia ratiba tofauti na zisizo za kawaida isipokuwa kubwa na ya kuaminika zaidi, Pitti Gallery hukupeleka katika ulimwengu tajiri wa Medici, kama walivyoiacha.  <response>: Its seven museums and galleries following varying and erratic schedules with the exception of the largest and most reliable, the Pitti Gallery take you into the rich world of the Medici, much as they left it. 