The Illyrians once left their traces remarkably in the ancient history of the Balkans. They always kept many-sided contacts with their peripheral world.
The earliest of the city states of the ancient Near East appeared at the southern end of the Mesopotamian plain, the area between the Tigris and Euphrates rivers in what is now Iraq.
The clay deposits are scattered all over, in ancient volcanic surfaces and heavily cratered highland regions, some of which have apparently been exposed by erosion only recently.
Third, is it possible to interpret accurately the subject matter of ancient rock art, bring to bear all available archaeological techniques and the knowledge of present-day Aboriginal informants?
All these findings seem to indicate that they are the remains of an ancient civilization that was every bit as advanced as other more famous civilizations of the time.