Revelers open their mouths as they wait to cool off with water thrown from a balcony, while celebrating the official opening of the 2015 San Fermin Fiestas, in Pamplona, northern Spain, Monday, July 6, 2015. Revelers from around the world turned out here to kick off the festival with a messy party in the Pamplona town square, one day before the first of eight days of the running of the bulls. (AP Photo/Andres Kudacki)
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