This Moderate Resolution Imaging Spectroradiometer (MODIS) image from March 1, 2003, shows numerous oil well flares (the burning off of combustible gases associated with oil) in southern Iraq (center). The way the active hot spots, marked in red, line up almost vertically suggests they are along a pipeline. Meanwhile, hot spots in southern Iran (right) are likely agricultural fires.

http://visibleearth.nasa.gov/view_rec.php?id=5166 archive copy at the Wayback Machine

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