Image 1 (IMAGE) University of Freiburg Caption The dimensions of desert dragons only become apparent from the air: at Jebel az-Zilliyat in Saudi Arabia, the true-to-scale engraving depicts nearby desert dragons. 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.