history8tins on Instagram: "We weren’t the only humans. 🤯 For a vast period of history, Earth was home to at least four intelligent human species at the same time: the resilient Homo erectus, the tool-savvy Denisovans, our close cousins the Neanderthals, and us, Homo sapiens. Imagine sharing the world with them. In the end, only one species survived. What do you think happened to the others? Let me know in the comments. 👇 #history #evolution #anthropology #neanderthal #ancienthistory #humanity