Revelers react as sparkling wine and water, thrown from a balcony, lands during the 'Chupinazo', the official opening of the 2009 San Fermin fiestas in Pamplona, northern Spain, Monday. 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.