The bit that you can't see is the genius that created this. Massimo Tamburini. They call him "The Plumber" in Italy, as well as "Maestro," because he actually is engineer and craftsman and sculptor at the same time.
Lo que no se puede ver es el genio que la creó. Massimo Tamburini. En Italia lo llaman "El Plomero" y también "Maestro", porque es ingeniero, artesano y escultor al mismo tiempo.