Palermo, The Royal Palace or Palazzo dei Normanni (Palace of the Normans), The Palatine Chapel (Basilica), central nave: wooden ceiling, created by Fatimid school masters and consisting of wooden coffers called muqarnas, painted with rare images (phytoform and zoomorphic ornaments, birds, fantastic and mythological animals, including human figures in hunting, making war and  love, players, dancers and belly dancers, chess players: These figures are generally prohibited by the Muslim tradition) and Cufic inscriptions (1143).