St. Petersburg Bourse
...that the rostral columns in front of the St. Petersburg Bourse were intended to serve as beacons and are still lit on ceremonial occasions?
...that the rostral columns in front of the <b id="mwCQ8"><a class="mw-redirect" href="./St._Petersburg_Bourse" id="mwCRA" rel="mw:WikiLink" title="St. Petersburg Bourse">St. Petersburg Bourse</a></b> were intended to serve as <a href="./Beacon" id="mwCRE" rel="mw:WikiLink" title="Beacon">beacons</a> and are still lit on ceremonial occasions?