Temples that archaeologists have unearthed in the eastern Rhodope Mountains in Bulgaria are about a thousand years older than the pyramids in Egypt and the Mesopotamian civilization, experts claim. Archaeologists Ana Raduncheva and Stefanka Ivanova said that the whole system of temples in the Rhodope region dated back to the 5th millenium BCE. This is almost 4,000 years before the Thracian people settled on these lands. At the end of the Chalcolithic Age, the rock temples were abandoned for a large period of time. The Thracians rediscovered them about 2,500 years later, the archaeologists claim.

Source: Novinite (18 February 2007)