Tyler Waguespack, of Gonzales, La., wins the steer wrestling event during rodeo finals action at the Calgary Stampede in Calgary, Alberta.

Spanish bullfighter Rafaelillo is pushed by a bull from Miura ranch at the San Fermin Festival, in Pamplona, northern Spain.

Revellers fall next to Miura's fighting bulls during the running of the bulls at the San Fermin Festival, in Pamplona, northern Spain. Medical officials in Spain say that the bull ...

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.

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.

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.

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.

Spanish bullfighting El Fandi, challenges a Fuente Ymbro's fighting bull during a bullfighting at the San Fermin Festival, in Pamplona, northern Spain.

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. Revellers from around the world flo...

Revellers run with a Puerto de San Lorenzo fighting bull led by steers during the third running of the bulls at the San Fermin Festival, in Pamplona, northern Spain.

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. Revellers from around ...

Tanner Milan, of Cochrane, Alberta, wrestles a steer during rodeo action at the Calgary Stampede in Calgary, Alberta.

Anti bullfight protesters hold up their red painted hands during the San Fermin Festival, in Pamplona, northern Spain. Revellers from around the world flock to Pamplona every year ...

A dead bull is dragged out of the bullring after a bullfight at the San Fermin Fiestas in Pamplona, Spain.

Bullfighter Leonardo Hernandez leans to touch a bull's head with his own during a bullfight on horseback at the San Fermin Fiestas in Pamplona, Spain.

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.

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.

A reveller squirts wine into his mouth during the launching of the 'Chupinazo' rocket, to celebrate the official opening of the 2017 San Fermin Fiestas in Pamplona, Spain.

Revellers party after the launching of the 'Chupinazo' rocket, to celebrate the official opening of the 2017 San Fermin Fiestas in Pamplona, Spain.

A municipal musical band prepare while revellers hold up neckties during the launching of the 'Chupinazo' rocket, to celebrate the official opening of the 2017 San Fermin Fiestas i...