by Céline CORNU Agence France-Presse   MILAN, Italy (AFP) — It’s the black prancing horse’s 70th birthday and gleaming Ferraris are out in force in Italy this weekend to celebrate. Some 500 sleek, purring sports cars are gathering in Milan on Friday before the festivities move to Modena, where founder Enzo Ferrari was born, and end with an exclusive party in Maranello, where Ferraris have been made since World War II. “Ferrari is a mythical brand: it has […]