People on balconies wait for the start on the third day of the running of the bulls at the San Fermin Festival in Pamplona, northern Spain, Monday, July 9, 2018. Revellers from around the world flock to Pamplona every year to take part in the eight days of the running of the bulls. (Photo by Alvaro Barrientos/AP Photo)





Spanish “rejoneador” (mounted bullfighter) Leonardo Hernandez prepares to perform a pass to a bull during a bullfight at the San Fermin festival in Pamplona, Spain, July 6, 2018. (Photo by Joseba Etxaburu/Reuters)





Runners sprint in front of wild cows during the first running of the bulls of the San Fermin festival in Pamplona, Spain, July 7, 2018. (Photo by Susana Vera/Reuters)





A Recortador de Anillas throws a ring onto a wild cow's horn during a display at the San Fermin festival in Pamplona, Spain, July 7, 2018. (Photo by Vincent West/Reuters)





Revellers attempt to dodge a bull during the first running of the bulls of the San Fermin festival in Pamplona, Spain, July 7, 2018. (Photo by Susana Vera/Reuters)





A reveller is tossed by a wild cow following the first running of the bulls at the San Fermin festival in Pamplona, Spain, July 7, 2018. (Photo by Joseba Etxaburu/Reuters)





Revellers sprint in front of bulls and steers during the first running of the bulls of the San Fermin festival in Pamplona, Spain, July 7, 2018. (Photo by Vincent West/Reuters)





Runners sprint in front of Puerto de San Lorenzo bulls during the first running of the bulls at the San Fermin festival in Pamplona, Spain, Spain, July 7, 2018. (Photo by Joseba Etxaburu/Reuters)





A bull hits a reveller during the first running of the bulls of the San Fermin festival in Pamplona, Spain, July 7, 2018. (Photo by Vincent West/Reuters)





Runners sprint in front of wild cows during the first running of the bulls of the San Fermin festival in Pamplona, Spain, July 7, 2018. (Photo by Vincent West/Reuters)





Bulls run over a reveller during the first running of the bulls of the San Fermin festival in Pamplona, Spain, July 7, 2018. (Photo by Vincent West/Reuters)





Revellers run with Puerto de San Lorenzo's fighting bulls during the second day of the San Fermin Running of the Bulls festival on July 7, 2018 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)





Kilikis, big heads amid revellers take part in the Comparsa de Gigantes y Cabezudos, or Giants and Big Heads parade on the second day of the San Fermin Running of the Bulls festival on July 7, 2018 in Pamplona, Spain. (Photo by Pablo Blazquez Dominguez/Getty Images)





Revellers run next to Puerto de San Lorenzo's fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, Saturday, July 7, 2018. Revellers from around the world flock to Pamplona every year to take part in the eight days of the running of the bulls. (Photo by Alvaro Barrientos/AP Photo)





Participants run next to a Puerto de San Lorenzo's fighting bull on the first day of the San Fermin bull run festival in Pamplona, northern Spain on July 7, 2018. Each day at 8am hundreds of people race with six bulls, charging along a winding, 848.6-metre (more than half a mile) course through narrow streets to the city's bull ring, where the animals are killed in a bullfight or corrida, during this festival dating back to medieval times and also featuring religious processions, folk dancing, concerts and round-the-clock drinking. (Photo by Jaime Reina/AFP Photo)





Participants run next to a Puerto de San Lorenzo's fighting bull on the first day of the San Fermin bull run festival in Pamplona, northern Spain on July 7, 2018. (Photo by Jaime Reina/AFP Photo)





Revellers run next to Puerto de San Lorenzo's fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain, Saturday, July 7, 2018. (Photo by Alvaro Barrientos/AP Photo)





Participants run next to a Puerto de San Lorenzo's fighting bull on the first day of the San Fermin bull run festival in Pamplona, northern Spain on July 7th 2018. (Photo by Zuma/Splash News and Pictures)





Revellers sleep in the park on the third day of the San Fermin festival in Pamplona, Spain July 8, 2018. (Photo by Joseba Etxaburu/Reuters)