1) Catalan surname 
A castell (kəsˈteʎ) is a human tower built traditionally in festivals at many locations within Catalonia. At these festivals, several colles castelleres or teams often succeed in building and dismantling a tower`s structure. On November 16, 2010, castells were declared by UNESCO to be amongst the Masterpieces of the Oral and Intangible Heritag....