Where is folk dance discovered?

folk dances by their definition are traditional local dances that are tied into the specific regions where they are performed and thus they can not be dated because they must be as old as modern man (40,000 yrs) or perhaps even pre-modern-human. they are associated with pastoral countryside traditions and also of an acoustic nature. they cement a peoples identity ,mhbkjhkjhbhj jhv hgv kjhv jhvk yjhgb kjghv kghjvbi guvbg kjhvbj hgbvkh iuhv khjvb khjv jhv kjh kjhv kjhv jhv hjbv hbvuy