Six Pillars House
... that the company that built Six Pillars House also constructed Highpoint I, and the penguin enclosure at London Zoo?
... that the company that built <b id="mwCeg"><a href="./Six_Pillars_House" id="mwCek" rel="mw:WikiLink" title="Six Pillars House">Six Pillars House</a></b> also constructed <a href="./Highpoint_I" id="mwCeo" rel="mw:WikiLink" title="Highpoint I">Highpoint I</a>, and the penguin enclosure at <a href="./London_Zoo" id="mwCes" rel="mw:WikiLink" title="London Zoo">London Zoo</a>?