Revelers are sprayed with water as they celebrate during the launch of the 'Chupinazo' rocket, to celebrate the official opening of the 2015 San Fermin fiestas in Pamplona, Spain, Monday, July 6, 2015. Revelers from around the world turned out here to kick off the festival with a messy party in the Pamplona town square, one day before the first of eight days of the running of the bulls.
Daniel Ochoa De Olza Associated Press