Runners sprint alongside a Fuente Ymbro fighting bull at Telefonica corner during the fifth running of the bulls at the San Fermin festival in Pamplona July 11, 2011. There were no serious injuries during the run that lasted two minutes and 33 seconds, according to local news sources. REUTERS/Eloy Alonso (SPAIN - Tags: SOCIETY ANIMALS)
A Fuente Ymbro fighting bull climbs Santo Domingo hill during the fifth running of the bulls at the San Fermin festival in Pamplona July 11, 2011. There were no serious injuries during the run that lasted two minutes and 33 seconds, according to local news sources. REUTERS/Vincent West (SPAIN - Tags: SOCIETY)