Ghab valley
... that the Ghab valley swamp in northwest Syria was drained between 1953 and 1968, providing an extra 41,000 hectares (160 sq mi) of irrigated lands?
... that the <b id="mwDX4"><a class="mw-redirect" href="./Ghab_valley" id="mwDX8" rel="mw:WikiLink" title="Ghab valley">Ghab valley</a></b> swamp in northwest <a href="./Syria" id="mwDYA" rel="mw:WikiLink" title="Syria">Syria</a> was drained between 1953 and 1968, providing an extra <span about="#mwt36" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"41000"},"2":{"wt":"ha"},"3":{"wt":"mi2"}},"i":0}}]}' id="mwDYE" typeof="mw:Transclusion">41,000 hectares (160</span><span about="#mwt36" typeof="mw:Entity"> </span><span about="#mwt36">sq</span><span about="#mwt36" typeof="mw:Entity"> </span><span about="#mwt36">mi)</span> of irrigated lands?