The <a href="https://en.wikipedia.org/wiki/Arabian-Nubian_Shield" class="extiw" title="en:Arabian-Nubian Shield">Arabian-Nubian Shield</a> in eastern Sudan (left) and Southwest Arabia (right), looking north along the Southern Red Sea. <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Arabian-Nubian_Shield&amp;diff=prev&amp;oldid=15198207">original caption (edited for clarity)</a><p>original description by uploader: "Precambrian  basement around the red sea."</p>
NASA/International Space Station Crew
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