A reveler is tossed by a calf during the San Fermin fiestas in Pamplona, northern Spain, Thursday, July 12, 2007. The fiestas 'Los San Fermines' held since 1591, attracts tens of thousands of foreign visitors each year for nine days of revelry, morning bull-runs and afternoon bullfights. The San Fermin festival gained worldwide fame in Ernest Hemingway's 1926 novel 'The Sun Also Rises.'