Astronomia prehistòrica

 https://www.labrujulaverde.com/2018/11/un-nuevo-estudio-sugiere-que-el-arte-rupestre-prehistorico-representa-constelaciones-fechas-y-eventos

 https://www.athensjournals.gr/history/2018-1-X-Y-Sweatman.pdf

 Decoding European Palaeolithic Art: Extremely Ancient knowledge of Precession of the Equinoxes (Martin B.Sweatman, Alistair Combs) / Universidad de Edimburgo.