Revelers are pushed over by a bull at the end of the last running of the bulls at the San Fermin festival, in Pamplona Spain on Sunday, July 14, 2013. Revelers from around the world arrive to Pamplona every year to take part in some of the eight days of the running of the bulls glorified by Ernest Hemingway's 1926 novel "The Sun Also Rises." (AP Photo/Alvaro Barrientos)

Alvaro Barrientos