Rockefeller Center
... that the construction of Rockefeller Center was the largest private development project ever undertaken for its time?
... that the construction of <b id="mwBIc"><a href="./Rockefeller_Center" id="mwBIg" rel="mw:WikiLink" title="Rockefeller Center">Rockefeller Center</a></b> <i id="mwBIk">(pictured)</i> was the largest private development project ever undertaken for its time?