Every year, thrill-seekers from around the world test their courage in the Running of the Bulls at the San Fermín festival. Ines de La Cuetara takes us inside the chaos, tradition, and adrenaline of this iconic event. Watch the full story TONIGHT on ABC News Live Prime. #RunningOfTheBulls #SanFermin #Pamplona #SanFerminFestival #FiestaDeSanFermin