400 Madison Avenue
... that upon its completion, 400 Madison Avenue in New York City was described as one of several buildings that comprised the "Grand Canyon of midtown business"?
... that upon its completion, <b id="mwCKc"><a href="./400_Madison_Avenue" id="mwCKg" rel="mw:WikiLink" title="400 Madison Avenue">400<span id="mwCKk" typeof="mw:Entity"> </span>Madison Avenue</a></b> in New York City was described as one of several buildings that comprised the "Grand Canyon of midtown business"?