Singing of the sibyl  (El cant de la sibil·la), celebrated in the churches of Mallorca in the religious trade of Christmas night, was declared in 2010 Well of Immaterial Cultural Interest by the UNESCO. It is one of the few living examples of medieval folklore that only survives in Mallorca and in Alguer (city of the Italian island of Sardinia where they speak Catalan), although in the last years it has been revived by some areas of Menorca, Valencia and Cataluña.