Tens of thousands of revelers celebrated Pamplona's annual San Fermín bull-running festival in northern Spain. The highlight of the nine-day festival is the early

Every year, thousands of people line the medieval streets of Pamplona to witness the centuries-old tradition of running with bulls. Many watch from balconies and wooden barricades along the course. Women bull runners are rare.

Tens of thousands of revelers have packed Pamplona’s town hall square in northern Spain to celebrate the traditional firework blast that marks the start of the San Fermín bull-running festival.