Palermo, The Royal Palace or Palazzo dei Normanni (Palace of the Normans), North-East side: view of the Renaissance wing and the Pisan Tower from Parliament Square. In the foreground, detail of the Marble Theatre, by Gaspare Guercio, Carlo D'Aprile and Gaspare Serpotta, realized to celebrate the glory of Philip IV of Habsburg, king of Spain and Sicily, called Philip the Great.
