Why are most of the sites of ancient people discovered in Africa?

In the southeastern regions of Africa, forest vegetation gave way to savannah, where hominids were forced to walk upright in order to see prey, enemies and relatives among the tall grass, which, in turn, freed up their hands for tool activity, and a combination of plant and meat food.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.