A topographic map of an adjacent area of the Iani Chaos region on Mars. The scale is 1:200 000 and the height difference between the contour lines is 250 metres. The data were obtained by the High Resolution Stereo camera on board ESA's Mars Express on 5, 8 and 11 October 2004 (during orbits 0912, 0923 and 0934 of Mars Express).