Revelers celebrate during the launch of the “Chupinazo” rocket, to celebrate the official opening of the 2014 San Fermin fiestas, in Pamplona, Spain, Sunday, July 6, 2014. (Photo by Daniel Ochoa de Olza/AP Photo)

Revelers celebrate after the launch of the “Chupinazo” rocket, to celebrate the official opening of the 2014 San Fermin fiestas, in Pamplona, Spain, Sunday, July 6, 2014. Revelers from around the world 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 glorified by Ernest Hemingway's 1926 novel “The Sun Also Rises”. (Photo by Daniel Ochoa de Olza/AP Photo)

A woman joins in with the party atmosphere during the opening and the firing of the “Chupinazo” rocket which starts the 2014 Festival of the San Fermin Running of the Bulls on July 6, 2014 in Pamplona, Spain. The annual Fiesta de San Fermin, made famous by the 1926 novel of US writer Ernest Hemmingway entitled “The Sun Also Rises”, involves the daily running of the bulls through the historic heart of Pamplona to the bull ring. (Photo by Pablo Blazquez Dominguez/Getty Images)

Revellers dance in the rain after the opening and the firing of the “Chupinazo” rocket which starts the 2014 Festival of the San Fermin Running of the Bulls on July 6, 2014 in Pamplona, Spain. (Photo by Christopher Furlong/Getty Images)

Locals dance in the street during the second day of the San Fermin Running Of The Bulls festival, on July 7, 2014 in Pamplona, Spain. The annual Fiesta de San Fermin, made famous by the 1926 novel of US writer Ernest Hemmingway “The Sun Also Rises”, involves the running of the bulls through the historic heart of Pamplona. (Photo by Christopher Furlong/Getty Images)

Revellers continue to party and dance through the night and day during the second day of the San Fermin Running Of The Bulls festival, on July 7, 2014 in Pamplona, Spain. (Photo by Christopher Furlong/Getty Images)

Revellers continue to party and dance through the night and day during the second day of the San Fermin Running Of The Bulls festival, on July 7, 2014 in Pamplona, Spain. (Photo by Christopher Furlong/Getty Images)

Runners sprint in front of Torrestrella fighting bulls on Santo Domingo street during the first running of the bulls of the San Fermin festival in Pamplona July 7, 2014. Four people were hospitalised on Monday on the first day of Spain's San Fermin bull run, a daily race through the narrow, cobbled streets of Pamplona that forms part of the northern city's week-long festival. One runner was gored in the thigh while the other three suffered fractures during the race against five bulls which lasted 2 minutes and 25 seconds, according to the Red Cross. (Photo by Eloy Alonso/Reuters)

A runner falls in front of a Torrestrella fighting bull at the Estafeta corner during the first running of the bulls at the San Fermin festival in Pamplona July 7, 2014. One runner was gored and four others suffered light injuries in a run that lasted two minutes and twenty five seconds, according to local media. (Photo by Vincent West/Reuters)

A steer from the Ranch of Torrestrella runs above a runner entering the bullring during the second day of the San Fermin Running Of The Bulls festival, on July 7, 2014 in Pamplona, Spain. The annual Fiesta de San Fermin, made famous by the 1926 novel of US writer Ernest Hemmingway “The Sun Also Rises”, involves the running of the bulls through the historic heart of Pamplona. (Photo by Christopher Furlong/Getty Images)

Runners sprint in front of Torrestrella fighting bulls on Santo Domingo street during the first running of the bulls of the San Fermin festival in Pamplona July 7, 2014. (Photo by Eloy Alonso/Reuters)

Revelers run in front of “Torrestrella” fighting bulls on Estafeta corner during the running of the bulls at the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. (Photo by Alvaro Barrientos/AP Photo)

A reveler falls as a Torrestrella fighting bulls run during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. (Photo by Andres Kudacki/AP Photo)

Revelers run with Torrestrella ranch fighting bulls during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. Revelers from around the world arrive in Pamplona every year to take part on some of the eight days of the running of the bulls glorified by Ernest Hemingway's 1926 novel “The Sun Also Rises”. (Photo by Daniel Ochoa de Olza/AP Photo)

Revelers fall as Torrestrella fighting bull run during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. (Photo by Andres Kudacki/AP Photo)

Two “Torrestrella” fighting bulls fall on Estafeta corner during the running of the bulls at the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. (Photo by Alvaro Barrientos/AP Photo)

Medical assistants help a participant injured during the running of the bulls with “Torrestrella” fighting bulls, at the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. (Photo by Alvaro Barrientos/AP Photo)

Revelers run ahead of “Torrestrella'” fighting bulls on Estafeta corner during the running of the bulls at the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. (Photo by Alvaro Barrientos/AP Photo)

Revelers are chased by fighting bulls during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. Revelers from around the world arrive here to take part in the eight-day event glorified by Ernest Hemingway's 1926 novel “The Sun Also Rises”. (Photo by Daniel Ochoa de Olza/AP Photo)

Torrestrella fighting bulls and revelers run during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. (Photo by Andres Kudacki/AP Photo)

A running reveler touches the horn of a Torrestrella's ranch fighting bull during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. (Photo by Daniel Ochoa de Olza/AP Photo)

Anti-bullfighting demonstrators protest against the bull runs dressing in the typical white and red colors while displaying banners which read, “You Run. Bulls Die”, on the Ayuntamiento Square in Pamplona northern Spain, Saturday, July 5, 2014. On July 6, the San Fermin festival will begin with the “txupinazo”, the opening ceremony with people participating in bull runs, music and dance, through the old street of the city. (Photo by Alvaro Barrientos/AP Photo)

A Torrestrella ranch fighting bull's broken horn is stained with blood during a bullfight of the San Fermin festival, in Pamplona, Spain, Monday, July 7, 2014. Revelers from around the world arrive in Pamplona every year to take part on some of the eight days of the running of the bulls glorified by Ernest Hemingway's 1926 novel “The Sun Also Rises”. (Photo by Daniel Ochoa de Olza/AP Photo)