It's on again, with a history going back to about 1595. Hemingway has a lot to answer for. What is even more incredible is that the bull run just eclipses the tomatoe throwing at Bunol, Valencia, as the top tourist event in these parts of the World. Humans are funny cattle. [ as my late Father used to say]

Pamplona bull run: How did the unique Spanish custom start and how dangerous is it?