Before revision: More than 5,500 human fossils of this populations have been found in the Sima de los Huesos ("pit of bones") site in the Sierra de Atapuerca in northern Spain.
After revision: It is one of more than 5,500 fossils belonging to early human populations which have been found in the Sima de los Huesos ("pit of bones") site in the Sierra de Atapuerca in northern Spain.