bulls

A wild cow tosses a reveller at the bullring following the seventh running of the bulls of the San Fermin festival in Pamplona...A wild cow tosses a reveller at the bullring following the seventh running of the bulls of the San Fermin festival in Pamplona, northern Spain, July 13, 2015. Two runners were gored in the run that lasted 2 minutes and 12 seconds, according to local media. REUTERS/Eloy Alonso

Eloy Alonso/Reuters

A wild cow tosses a reveller at the bullring following the seventh running of the bulls of the San Fermin festival in Pamplona, northern Spain 

Revellers in traditional dress await the fourth running of the bulls on Estafeta corner at the San Fermin festival in Pamplona, northern Spain, July 10, 2015. One runner was hospitalized following the run that lasted two minutes and twenty-four seconds, according to local media

Eloy Alonso/Reuters

Revellers in traditional dress await the fourth running of the bulls on Estafeta corner at the San Fermin festival in Pamplona, northern Spain on Friday

Revelers run chased by 'El Tajo y La Reina' ranch fighting bulls as they turn Estafeta corner during a running of the bulls of the San Fermin festival in Pamplona, Spain, Wednesday, July 8, 2015. 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

Daniel Ochoa de Olza/AP

Revellers run along the street chased by ‘El Tajo y La Reina’ ranch fighting bulls as they turn Estafeta corner during a Running of the Bulls of the San Fermin festival in Pamplona, Spain, on Wednesday

People watch as Jandilla fighting bulls and revelers run during the running of the bulls, at the San Fermin festival, in Pamplona, Spain, Tuesday, July 7, 2015. Revelers from around the world arrive to Pamplona every year to take part in the eight days of the running of the bulls

Andres Kudacki/AP

People watch as Jandilla fighting bulls and revellers run during the Running of the Bulls, at the San Fermin festival, in Pamplona, Spain, on Tuesday

Winning bulls are led from the judging ring at the North Devon Show, near Barnstaple. PRESS ASSOCIATION Photo. Picture date: Wednesday August, 6, 2014.  The show is North Devon's premier agricultural spectacle and a celebration of North Devon's farming roots.

Ben Birchall/PA

Winning bulls are led from the judging ring at the North Devon Show, near Barnstaple on Wednesday. The show is North Devon’s premier agricultural spectacle and a celebration of North Devon’s farming roots

A runner falls in front of ''Miura'' fighting bulls during the running of the bulls, at the San Fermin festival, in Pamplona, Spain, Monday, July 14, 2014. 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.

Alvaro Barrientos/AP

A runner falls in front of Miura fighting bulls during the running of the bulls at the San Fermin festival, in Pamplona, Spain, on Monday

Pamplona Running Of The Bulls...PAMPLONA, SPAIN - JULY 07:  Revellers run with Torrestrella's fighting bulls along the Calle Estafeta 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 Pablo Blazquez Dominguez/Getty Images)

Pablo Blazquez Dominguez/Getty

Revellers run with Torrestrella’s fighting bulls along the Calle Estafeta during the second day of the San Fermin Running of the Bulls festival in Pamplona, Spain. The annual Fiesta de San Fermin, made famous by US writer Ernest Hemingway‘s 1926 novel ‘The Sun Also Rises’, sees the bulls running through the historic heart of the town 

Fiesta De San Fermin Running Of The Bulls - Day 3...PAMPLONA, SPAIN - JULY 08:  Revellers run with Dolores Aguirre's ranch fighting bulls at Curva Estafeta during the third day of the San Fermin Running Of The Bulls festival, on July 8, 2013 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 for nine days from July 6-14.

Pablo Blazquez Dominguez/Getty Images

Revellers run with Dolores Aguirre’s ranch fighting bulls at Curva Estafeta on Monday during the third day of the San Fermin Running of the Bulls festival, in Pamplona, Spain. The annual fiesta, made famous by Ernest Hemingway in his 1926 novel The Sun Also Rises, takes place in the historic heart of the Spanish city for nine days from July 6-14.