Running of the bulls famously at Stamford until 1837. The origin of this event comes from the need to transport the bulls from the fields outside the city, where they were bred, to the bullring, where they would be killed in the evening. During this "run", youngsters would jump among them to show off their bravado. In Pamplona and other places, the six bulls in the event are still those that will feature in the afternoon bullfight of the same day. Spanish tradition holds that bull-running began in northeastern Spain in the early 14th century. While transporting cattle in order to sell them at
Running of the bulls wooden fences is erected to direct the bulls along the route and to block off side streets. A double wooden fence is used in those areas where there is enough space, while in other parts the buildings of the street act as barriers. The gaps in the barricades are wide enough for a human to slip through but narrow enough to block a bull. The fence is composed of approximately three thousand separate pieces of wood. Some parts of the fence remain in place for the duration of the fiesta, while others are placed and removed each morning. Spectators can