Over three pulpy days, nearly 1,000 tons of oranges were thrown in the re-creation of a medieval battle that has become the centerpiece of the northern Italian town of Ivrea’s annual Carnival celebration. The northern Piedmont region is not known for its orange groves and the biodegradable ammunition arrives from southern Italy. By the end of each day, piazzas are covered in a layer of pulp, the result of tons of oranges not only being tossed, but also trod on by the thousands of tourists and residents alike who flood the city during the three-day event, which ended Tuesday. ....