Macellum of Pozzuoli
... that columns at the Roman Macellum of Pozzuoli remained upright over centuries while the site sank below sea level, then re-emerged?
... that columns at the <a href="./Colonia_(Roman)" id="mwBs4" rel="mw:WikiLink" title="Colonia (Roman)">Roman</a> <b id="mwBs8"><a href="./Macellum_of_Pozzuoli" id="mwBtA" rel="mw:WikiLink" title="Macellum of Pozzuoli">Macellum of Pozzuoli</a></b> <i id="mwBtE">(pictured)</i> remained upright over centuries while the site sank below sea level, then re-emerged?