Hundreds come out to celebrate Bosnia's horse logging festival

The annual festival celebrates the centuries old tradition of pulling logs honoring the owners of the strongest horses. (Photo: AP)

A Bosnian man urges his horses to pull logs up a hill during a competition in the town of Sokolac, Bosnia, on Sunday, June 18, 2017. (Photo: AP)

A Bosnian man prepares his horses to pull logs up a hill during a competition in the town of Sokolac, Bosnia, on Sunday, June 18, 2017. (Photo: AP)

The festival took place in the town of Sokolac, Bosnia, on Sunday, June 18, 2017. (Photo: AP)

A Bosnian man poses for photo with his bulls during a competition in the town of Sokolac, Bosnia, on Sunday, June 18, 2017. (Photo: AP)

Horses pull logs up a hill during a competition in the town of Sokolac, Bosnia, on Sunday, June 18, 2017. (Photo: AP)

Bosnian people watch a horse logging competition in the town of Sokolac, Bosnia, on Sunday, June 18, 2017. (Photo: AP)

Owners of the horses gather from all over Bosnia and beyond, and compete in a show of horse strength. (Photo: AP)