Human Towers Are Built In The Tarragona Castells Competition

TARRAGONA, SPAIN - OCTOBER 02: Members of the colla 'Vella de Valls' build a human tower during the 26th Tarragona Competition on October 2, 2016 in Tarragona, Spain. The 'Castellers' who build the human towers with precise techniques compete in groups, know as 'colles', at local festivals with aim to build the highest and most complex human tower. The Catalan tradition is believed to have originated from human towers built at the end of the 18th century by dance groups and is part of the Catalan culture. (Photo by David Ramos/Getty Images)