Encierro, Fiesta de San Fermín, Pamplona, Running of the bulls Hot Air Balloons Over The Plaza del Castillo Posted by iberiantraveler on July 13, 2018November 23, 2018 On July 8, after a rather wet morning for the second encierro, hot air ballons rose into a blue sky over the Plaza del Castillo, the center of the fiesta. Share this:TwitterFacebookLike this:Like Loading... Related