Signs of half million year old human species found

Archeologists in Poland have discovered stone tools dating back 500,000 years! The tools found in Tunel Wielki cave in Malopolska are believed to belong to Homo heidelbergensis, an ancestor of the Neanderthals. https://www.sciencealert.com/half-a-million-year-old-signs-of-extinct-human-species-found-in-poland-cave