Is it possible to touch the antiquity? Not to the works of ancient sculptors and builders, but to the epochs that have long been in the past? Living in the modern world, we rarely think about how long man has inhabited the Earth. It all started millions of years ago, when the first hominids stood on their hind legs and learned how to create primitive tools. The modern era with writing, cities and states is just a moment compared to the times when a few tribes of our ancestors migrated across the continents. And they did not live in houses or shacks — there was simply no need to build them: primitive tribes engaged in gathering had to constantly migrate depending on seasonal changes. However, rare lucky people managed to find places where there was plenty of food all year round, and shelter was at hand. Of course, we are talking about caves — natural natural shelters that go dozens of meters deep into the rocks. Here they are — the most ancient prototypes of human settlements. Sometim