Sunnylands
... that so many world leaders were hosted at the Annenberg Estate Sunnylands that it earned restricted airspace status?
... that so many world leaders were hosted at the <a href="./Walter_Annenberg" id="mwBVU" rel="mw:WikiLink" title="Walter Annenberg">Annenberg</a> Estate <b id="mwBVY"><a href="./Sunnylands" id="mwBVc" rel="mw:WikiLink" title="Sunnylands">Sunnylands</a></b> that it earned <a href="./Restricted_airspace" id="mwBVg" rel="mw:WikiLink" title="Restricted airspace">restricted airspace</a> status?