Corsica and killings culminated in the assassination of Prefect Claude Érignac in 1998. In 2013, Corsica hosted the first three stages of the 100th Tour de France, which passed through the island for the first time in the event's 110-year history. Corsica was formed about 250 million years ago with the uplift of a granite backbone on the western side. About 50 million years ago sedimentary rock was pressed against this granite, forming the schists of the eastern side. It is the most mountainous island in the Mediterranean, a "mountain in the sea". It is also the fourth largest island in
Cuisine of Corsica mainly produced in the hills of Balagne, the northwest region of the island, where a quarter of all olive trees on the island exist. Another important region for oil is the Alta Rocca, around Bonifacio: here in the village of Santa Lucia di Tallano, each year is celebrated the "Festa di l'olio novu", a yearly fair devoted to the production of the new oil. As a whole, the olive groves cover in Corsica 2,000 hectares, divided among 300 producers. The olives, which are mostly black, are not plucked manually; they fall on nets lying under old trees, while those on