<i>The tents and vehicles are clearly visible in this radar image made by TerraSAR-X. The artificial structures have been coloured to make them more easily visible; the actual radar image is black and white.</i>
DLR
CC BY 3.0 de
<a rel="nofollow" class="external free" href="http://www.dlr.de/media/desktopdefault.aspx/tabid-4986//8423_read-20606">http://www.dlr.de/media/desktopdefault.aspx/tabid-4986//8423_read-20606</a>