Sand Dunes in Qatar (image) Pensoft Publishers Caption Sand dunes in Qatar are shown. Tracks of lizards are visible in the sand in the down left corner of the photo. Credit Alberto Gosá Usage Restrictions CC-BY 4.0 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.