Satellite Image (image) University of Leicester Caption This is a satellite image of area of desert with archaeological interpretation of features: fortifications are outlined in black, areas of dwellings are in red and oasis gardens are in green. Credit Copyright 2011 Google, image copyright 2011 DigitalGlobe. Usage Restrictions Use only with credit. 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.