Between Universals and Technical Specificities. Review and Comments on the Book "Les premières traditions techniques du Paléolithique ancient" by L. De Weyer: Les premières traditions techniques du Paléolithique ancien (The first technical traditions of the early Paleolithic), by Louis De Weyer, Paris, L'Harmattan, 2020, 325 pp., 230 fig., (paperback, also available as e-book), ISBN: 978-2-343-21324-8. (3rd April 2021) - Balarezo, Antonio Pérez