Children on top Castellers de Vilafranca form a human tower called a "castell" in Catalan, during a biannual competition in Tarragona, Spain, October 4, 2026. REUTERS/Albert Gea https://www.reuters.com/pictures/towers-humanity-soaring-pyramids-dramatic-tumbles-spains-castells-competition-2026-10-05/ #photography #festivals #Spain #children