Thousands cram together in Spain's Pamplona for San Fermin festivital | AFP

A huge crowd gathers in central Pamplona, northern Spain, for the "Chupinazo" (rocket launch) marking the official start of the San Fermin Festival. Thousands of people every year attend the week-long festival and its famous "encierros" (bull runs) in which six bulls are released at 8:00 a.m. every day starting July 7.