 The cultural festival named "Festival dei due Mondi" held in Spoleto; Festival of the Ceri involving a candle procession to the nearby Basilica of San Ubaldo and a cross bow contest "Cross-Bow Palio" in Gubbio also attract large number of tourists.The province is also known for its cuisine which includes black truffles, Easter Pizza, lentils from Castelluccio and Salami and cold cuts from Norcia.The principal towns in the province, with a population over 20,000, are