Figure 1 (IMAGE) Max Planck Institute of Geoanthropology Caption Researchers surveying the Alathar lake, situated within an interdunal depression in the western Nefud Desert, Saudi Arabia Credit Palaeodeserts Project Usage Restrictions Please provide credit information with reuse License Licensed content 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.