Corsica Corsican honey, of which there are six official varieties, is certified as to its origin (Appellation d'origine contrôlée) by the French National Institute of Origin and Quality (Institut National des Appellations d'Origine – INAO). Corsica's main exports are granite and marble, tannic acid, cork, cheese, wine, citrus fruit, olive oil and cigarettes. Corsica has four international airports: All airports are served by regional French airline Air Corsica, as well as Air France which mainly offers connections to Paris-Orly. Budget carriers such as EasyJet and Ryanair offer seasonal connections to different cities in Europe. The island has of metre gauge railway.
Roman Catholic Diocese of Mariana in Corsica Corsica", bishop in Corsica, not bishop of Corsica. Leo had been sent by the Pope as an Apostolic Visitor, since, as the Pope notes, the dioceses of Corsica had long been vacant. The fourteenth century was a period of extreme crisis in Corsica. Roger Caratini notes that the population of ordinary people on the island had decreased by 8% between 1300 and 1350, mostly by migration to the territory of Pisa; then came the Black Death; between 1350 and 1400 the population decreased another 19%. The ability to maintain traditional institutions in the face of the new Genoese overlords was