Image 2 (IMAGE) University of Freiburg Caption The oldest known scale building plan in human history: the depiction of a nearby desert dragon in Jordan is dated to around 9,000 years ago. Credit Oliver Barge, CNRS Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.