Between this article and this one: https://news.ycombinator.com/item?id=16837120 https://news.ycombinator.com/item?id=16837120 (Was there a civilization on Eart

Between this article and this one: https://news.ycombinator.com/item?id=16837120 https://news.ycombinator.com/item?id=16837120 (Was there a civilization on Earth before humans?), I suspect we might be on the cusp of some amazing discoveries about the past. Not to say that we will find an advanced civilization, but I think there is a good chance that there has been civilizations before us on Earth, who at least built wooden structures and had a spoken language.