Spain's Running of the Bulls: Run for Your Life!

July 7: Revelers run away from Torrestrella ranch fighting bulls during the running of the bulls at the San Fermin fiestas in Pamplona, Spain.   (AP 2011)

July 7: Revelers run next to Torrestrella ranch fighting bulls during the running of the bulls at the San Fermin fiestas in Pamplona, Spain. (ASSOCIATED PRESS)

July 7: Revelers run next to Torrestrella ranch fighting bulls during the running of the bulls at the San Fermin fiestas in Pamplona, Spain. (ASSOCIATED PRESS)

July 7: A calf, used as a game to amuse revelers jumps to the arena after the running of the bulls at the San Fermin fiestas in Pamplona, Spain. (ASSOCIATED PRESS)

July 7: Revelers run next to Torrestrella ranch fighting bulls during the running of the bulls at the San Fermin fiestas in Pamplona, Spain. (AP)

July 7: A calf, used as a game to amuse revelers jumps to the arena after the running of the bulls at the San Fermin fiestas in Pamplona, Spain. (AP)

July 7: Revelers run on the Estafeta street as one of them falls, bottom right, as Torrestrellas ranch go on the way during the first running of the bulls' at the San Fermin fiestas in Pamplona northern Spain. (ASSOCIATED PRESS)

July 7: Revelers run next to Torrestrella ranch fighting bulls during the running of the bulls at the San Fermin festival in Pamplona, Spain. (ASSOCIATED PRESS)

July 7: Revelers run on the Estafeta street as Torrestrellas ranch go on the way during the first running of the bulls' at the San Fermin fiestas in Pamplona northern Spain.  (ASSOCIATED PRESS)

July 7: Revelers are surprised by an angry leading ox, used to drive the fighting bulls during the running of the bulls at the San Fermin fiestas in Pamplona, Spain. (ASSOCIATED PRESS)

July 7: Revelers are surprised by an angry leading ox, used to drive the fighting bulls trough their way, bulls during the running of the bulls at the San Fermin fiestas in Pamplona, Spain. (ASSOCIATED PRESS)

July 7: Revelers run next to Torrestrella ranch fighting bulls during the running of the bulls at the San Fermin festival in Pamplona, Spain. (ASSOCIATED PRESS)

July 7: A leading ox, used to drive the fighting bulls trough their way, rests during the running of the bulls at the San Fermin fiestas in Pamplona, Spain. (ASSOCIATED PRESS)

July 7: Revelers run on the Estafeta street as one of them falls as Torrestrellas ranch go on the way during the first running of the bulls' at the San Fermin fiestas in Pamplona northern Spain. (ASSOCIATED PRESS)

July 7: Revelers run on the Estafeta street as Torrestrellas ranch go on the way as people look on from the balconies during the first running of the bulls at the San Fermin fiestas in Pamplona northern Spain.  (ASSOCIATED PRESS)

July 6: Revelers hold up traditional red neckties as tens of thousands of people packed Pamplona's main square in Pamplona, Spain to celebrate the start of Spain's most famous bull-running festival with the annual launch of the "chupinazo" rocket. Perhaps best glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises," the San Fermin festival is known around the world for the daily running of the bulls.  (ASSOCIATED PRESS)

July 6: Revelers celebrate the 'Chupinazo', the official opening of the San Fermin fiestas in in Pamplona, Spain to celebrate the start of Spain's most famous bull-running festival with the annual launch of the "chupinazo" rocket. Perhaps best glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises," the San Fermin festival is known around the world for the daily running of the bulls.  (ASSOCIATED PRESS)

July 7: Revelers run on the Estafeta street as Torrestrellas ranch go on the way during the first running of the bulls' at the San Fermin fiestas in Pamplona northern Spain.  (ASSOCIATED PRESS)

July 7: Revelers run next to Torrestrella ranch fighting bulls on Estafeta street during the running of the bulls at the San Fermin fiestas in Pamplona, Spain.  (ASSOCIATED PRESS)

July 6: Revelers hold up traditional red neckties as tens of thousands of people packed Pamplona's main square in Pamplona, Spain to celebrate the start of Spain's most famous bull-running festival with the annual launch of the "chupinazo" rocket. Perhaps best glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises," the San Fermin festival is known around the world for the daily running of the bulls. (ASSOCIATED PRESS)

July 6: Tens of thousands of people packed Pamplona's main square in Pamplona, Spain to celebrate the start of Spain's most famous bull-running festival with the annual launch of the "chupinazo" rocket. Perhaps best glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises," the San Fermin festival is known around the world for the daily running of the bulls.  (ASSOCIATED PRESS)

July 7: A tourist takes photos from a balcony at the Estafeta street before to beginning the first running of the bulls' at the San Fermin fiestas in Pamplona northern Spain. (ASSOCIATED PRESS)

July 6: Confetti is seen by the town hall clock as tens of thousands of people below packed Pamplona's main square in Pamplona, Spain to celebrate the start of Spain's most famous bull-running festival with the annual launch of the "chupinazo" rocket. Perhaps best glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises," the San Fermin festival is known around the world for the daily running of the bulls. (ASSOCIATED PRESS)

July 6: Revelers celebrate the 'Chupinazo', the official opening of the San Fermin fiestas in in Pamplona, Spain to celebrate the start of Spain's most famous bull-running festival with the annual launch of the "chupinazo" rocket. Perhaps best glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises," the San Fermin festival is known around the world for the daily running of the bulls.  (ASSOCIATED PRESS)

July 6: Perhaps best glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises," the San Fermin festival is known around the world for the daily running of the bulls. (ASSOCIATED PRESS)

July 7: Revelers run next to Torrestrella ranch fighting bulls during the running of the bulls at the San Fermin fiestas in Pamplona, Spain. (ASSOCIATED PRESS)

July 6: Perhaps best glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises," the San Fermin festival is known around the world for the daily running of the bulls.  (ASSOCIATED PRESS)

July 6: A band makes its their way through the crowd after the 'Chupinazo', the official opening of the 2011 San Fermin fiestas in Pamplona, Spain. The festival of San Fermin, or the Pamplona bull running as it's more commonly known outside Spain officially begins at midday on 6th July every year with the 'chupinazo' which takes place on the balcony of the Casa Consistorial in Pamplona. Thousands of people congregate in the square awaiting the mayor's official announcement that the fiestas have begun, a rocket is launched and the partying gets underway. (ASSOCIATED PRESS)

July 5: Spanish novillero bullfighter Jimenez Fortes falls in front of the horns of a bull during a bullfight on the eve of the 2011 San Fermin festival in Pamplona in Pamplona, Spain. Fortes fell in front of the bull and managed to roll over to avoid the horns, lucky to be unhurt in the incident. Novilleros, is the stage prior to becoming a 'matador' where bullfights are performed with young bulls. (ASSOCIATED PRESS)

July 5: Mexican novillero bullfighter Sergio Flores performs with a bull during a bullfight on the eve of the 2011 San Fermin festival in Pamplona in Pamplona, Spain. Novilleros, is the stage prior to becoming a 'matador' where bullfights are performed with young bulls. (ASSOCIATED PRESS)

July 5: Spanish novillero bullfighter Jimenez Fortes falls in front of the horns of a bull during a bullfight on the eve of the 2011 San Fermin festival in Pamplona, Spain. Fortes fell in front of the bull and managed to roll over to avoid the horns, lucky to be unhurt in the incident. Novilleros, is the stage prior to becoming a 'matador' where bullfights are performed with young bulls. (ASSOCIATED PRESS)

July 5: Spanish novillero bullfighter Lopez Simon performs with a bull during a bullfight on the eve of the 2011 San Fermin festival in Pamplona, Spain. Novilleros, is the stage prior to becoming a 'matador' where bullfights are performed with young bulls. (ASSOCIATED PRESS)

July 5: Bullfighter assistants prepare their 'capotes' to make the paseillo or ritual entrance to the arena during a bullfight on the eve of the 2011 San Fermin festival in Pamplona, Spain. (ASSOCIATED PRESS)

July 6: Water falls from a balcony on revelers during the 'Chupinazo', the official opening of the 2011 San Fermin fiestas in Pamplona, Spain. The festival of San Fermin, or the Pamplona bull running as it's more commonly known outside Spain officially begins at midday on 6th July every year with the 'chupinazo' which takes place on the balcony of the Casa Consistorial in Pamplona. Thousands of people congregate in the square awaiting the mayor's official announcement that the fiestas have begun, a rocket is launched and the partying gets underway. (ASSOCIATED PRESS)

July 6: A reveler jumps a fountain in Pamplona, Spain  at the start of Spain's most famous bull-running festival. Perhaps best glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises," the San Fermin festival is known around the world for the daily running of the bulls. Another reveler who jumpes but was not caught, fell directly to the ground seriously injuring himself. There were no further details on his condition. (ASSOCIATED PRESS)