a lake
... that a lake larger than Lake Erie existed in the eastern Sahara less than 12,000 years ago?
... that <b id="mwBKo"><a href="./Lake_Ptolemy" id="mwBKs" rel="mw:WikiLink" title="Lake Ptolemy">a lake</a></b> larger than <a href="./Lake_Erie" id="mwBKw" rel="mw:WikiLink" title="Lake Erie">Lake Erie</a> existed in the eastern <a href="./Sahara" id="mwBK0" rel="mw:WikiLink" title="Sahara">Sahara</a> less than 12,000 years ago?