Running of the Bulls in Pamplona, Spain

Revellers run in front of Miura’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 14, 2017. (Photo: Alvaro Barrientos/AP)

A cow jumps over men laid on the ground following the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 14, 2017. (Photo: Alvaro Barrientos/AP)

Revellers gather around of one member of The ‘Comparsa de Gigantes y Cabezudos’ or the Parade of the Giants and Big Headsarade, on the last day at the San Fermin Festival, in Pamplona, northern Spain, July 14, 2017. (Photo: Alvaro Barrientos/AP)

Revellers run as others fall on Miura’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 14, 2017. (Photo: Alvaro Barrientos/AP)

A reveler tries to dodge a wild cow following the last running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 14, 2017. (Photo: Susana Vera/Reuters)

Revelers run from the Fire Bull, a man carrying a bull figure packed with fireworks, at the San Fermin festival in Pamplona, northern Spain, July 13, 2017. (Photo: Susana Vera/Reuters)

Revellers run next to Nunez del Cuvillo’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 13, 2017. (Photo: Alvaro Barrientos/AP)

A wild cow leaps over revellers as it enters the bullring following the seventh running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 13, 2017. (Photo: Susana Vera/Reuters)

Revellers run next to Nunez del Cuvillo’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 13, 2017. (Photo: Alvaro Barrientos/AP)

Slideshow contains visual scenes of injury or death

A reveller injured by a wild cow is taken away from the bullring following the seventh running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 13, 2017. (Photo: Susana Vera/Reuters)

People react as revellers running in front of Victoriano del Rio’s fighting bulls are entering at the bullring at the end of the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 12, 2017. (Photo: Alvaro Barrientos/AP)

A cow jumps over a group of revellers laid on the ground of the bullring, during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 12, 2017. Revellers from around the world flock to Pamplona every year to take part in the eight days of the running of the bulls. (Photo: Alvaro Barrientos/AP)

Bullfighters make the ‘paseillo’ or ritual entrance to the arena before a bullfight at the San Fermin festival in Pamplona, Spain, July 11, 2017. (Photo: Alvaro Barrientos/AP)

Revellers run in front of Jandilla’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 11, 2017. (AP Photo/Alvaro Barrientos)

A Jandilla ranch bull is dragged out of the bullring during a bullfight at the San Fermin Fiestas in Pamplona, Spain, July 11, 2017. (Photo: Alvaro Barrientos/AP)

Runners hold up newspapers while they sing to an image of San Fermin before the start of the running of the Jandilla’s fighting bulls during the sixth day of the San Fermin Running of the Bulls festival on July 11, 2017 in Pamplona, Spain. (Gari Garaialde/Getty Images)

Revellers run in front of Jandilla’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 11, 2017. Revellers from around the world flock to Pamplona every year to take part in the eight days of the running of the bulls. (AP Photo/Alvaro Barrientos)

Revellers run in front of Jandilla’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 11, 2017. (AP Photo/Alvaro Barrientos)

Revellers run in front of Jandilla’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 11, 2017. (AP Photo/Alvaro Barrientos)

Boys run next to a toy bull imitating the running of the bull, during the ”Encierro Txiki”, just for young runners, during the San Fermin Festival, in Pamplona, northern Spain, July 10, 2017. (AP Photo/Alvaro Barrientos)

Revellers run in front of Fuente Ymbro’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 10, 2017. (AP Photo/Alvaro Barrientos)

Puerto de San Lorenzo fighting bulls enter the bullring with revellers at the end of the third running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 9, 2017. (AP Photo/Alvaro Barrientos)

A ‘Banderillo’ assistant bullfighter is gored by a bull from the Puerto de San Lorenzo ranch during a bullfight at the San Fermin Fiestas in Pamplona, Spain, July 9, 2017. (AP Photo/Alvaro Barrientos)

A reveller lies on the ground beneath a calf after the third running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 9, 2017. (AP Photo/Alvaro Barrientos)

Spanish bullfighter Roberto Garrido holds a card with the image of Saint Fermin before a bullfight at the San Fermin Fiestas in Pamplona, Spain, July 9, 2017. (AP Photo/Alvaro Barrientos)

People take photos as revellers run in front of Fuente Ymbro’s fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 10, 2017. (AP Photo/Alvaro Barrientos)

A bull charges against a horse after a ‘Picador’ assistant bullfighter was knocked off the horse during a bullfight at the San Fermin Fiestas in Pamplona, Spain, July 9, 2017. (AP Photo/Alvaro Barrientos)

Musicians dressed in white and red clothes play music along the old city at the end of the fourth running of the bulls, during the San Fermin Festival, in Pamplona, northern Spain, July 10, 2017. (AP Photo/Alvaro Barrientos)

Runners sprint ahead of bulls during the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2017. (Susana Vera/Reuters)

A runner is trapped on the horns of a Cebada Gago bull during the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2017. (Joseba Etxaburu/Reuters)

Revellers run with Cebada Gago’s fighting bulls entering the bullring during the second day of the San Fermin Running of the Bulls festival on July 7, 2017 in Pamplona, Spain. (Pablo Blazquez Dominguez/Getty Images)

Runners sprint ahead of bulls during the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2017. (Susana Vera/Reuters)

A runner falls under Cebada Gago bulls during the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2017. (Joseba Etxaburu/Reuters)

Runners sprint ahead of bulls during the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2017. (Susana Vera/Reuters)

A runner is seen through the legs of bulls sprinting towards the bullring during the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2017. (Susana Vera/Reuters)

A runner falls under Cebada Gago bulls during the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2017. (Joseba Etxaburu/Reuters)

Revellers run in front of Cebada Gago fighting bulls during the first running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 7, 2017. (Alvaro Barrientos/AP)

A man pays his respects to Saint Fermin, ahead of the first running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, Friday, July 7, 2017. (Alvaro Barrientos/AP)

Revellers run in front of Cebada Gago fighting bulls during the first running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 7, 2017. (Alvaro Barrientos/AP)

Revellers hold newspapers as they sing a song to San Fermin on Santo Domingo street ahead of the first running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, July 7, 2017. (Alvaro Barrientos/AP)

A boy cries next to a member of the San Fermin Comparsa Parade, during a religious procession at the San Fermin Festival, in Pamplona, northern Spain, July 7, 2017. (Alvaro Barrientos/AP)

Revellers run with Cebada Gago’s fighting bulls entering the bullring during the second day of the San Fermin Running of the Bulls festival on July 7, 2017 in Pamplona, Spain. (Pablo Blazquez Dominguez/Getty Images)

Revellers sit on the bull run barrier before the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2017. (Susana Vera/Reuters)