Poplar Hill
... that the Poplar Hill mansion on Long Island was reportedly used to spy on the neighboring Killenworth mansion, which housed the Soviet delegation to the United Nations?
... that the <b id="mwig"><a href="./Poplar_Hill_(Glen_Cove,_New_York)" id="mwiw" rel="mw:WikiLink" title="Poplar Hill (Glen Cove, New York)">Poplar Hill</a></b> mansion on <a href="./Long_Island" id="mwjA" rel="mw:WikiLink" title="Long Island">Long Island</a> was reportedly used to spy on the neighboring <a href="./Killenworth" id="mwjQ" rel="mw:WikiLink" title="Killenworth">Killenworth</a> mansion, which housed the <a href="./Permanent_Representative_of_Russia_to_the_United_Nations" id="mwjg" rel="mw:WikiLink" title="Permanent Representative of Russia to the United Nations">Soviet delegation to the United Nations</a>?