They left many traces, monuments and objects in their path, which date back to the Bronze Age, thus demonstrating their advanced culture Scientists say that the iron was unknown to them, but because they did not find any iron objects Iron objects have a shelf life of 2 to 3000 years … Should be exceptional conditions for conservation of the order of 5000 years
They excelled in the work of bronze, silver and gold, much more difficult and complicated to produce and work as iron Jewelery and objects found show a great artistic sense, and their fields covering large areas, irrigation systems had Many mounds, ovens and other archaeological evidence of dense occupation in southern Siberia at this time