Thousands of revelers jam Pamplona for running of the bulls
APTOPIX Spain San Fermin
A musical band march during the 'Chupinazo', the official opening of the 2012 San Fermin fiestas, Friday, July 6, 2012 in Pamplona, Spain. Revelers from around the world kick off the San Fermin festival with a messy party in the Pamplona town square, one day before the first of eight days of the running of the bulls. (AP Photo/Ivan Aguinaga)