Taurus-Littrow
... that the Taurus-Littrow valley, the landing site of Apollo 17 on the Moon, is deeper than the Grand Canyon?
... that the <b id="mwGLc"><a class="mw-redirect" href="./Taurus-Littrow" id="mwGLg" rel="mw:WikiLink" title="Taurus-Littrow">Taurus-Littrow</a></b> <a href="./Valley" id="mwGLk" rel="mw:WikiLink" title="Valley">valley</a>, the landing site of <a href="./Apollo_17" id="mwGLo" rel="mw:WikiLink" title="Apollo 17">Apollo 17</a> on the <a href="./Moon" id="mwGLs" rel="mw:WikiLink" title="Moon">Moon</a>, is deeper than the <a href="./Grand_Canyon" id="mwGLw" rel="mw:WikiLink" title="Grand Canyon">Grand Canyon</a>?