Iberian Pyrite Belt
... that the mines of the Iberian Pyrite Belt have been active since before Roman times?
... that the mines of the <b id="mwCc0"><a href="./Iberian_Pyrite_Belt" id="mwCc4" rel="mw:WikiLink" title="Iberian Pyrite Belt">Iberian Pyrite Belt</a></b> have been active since before <a href="./Ancient_Rome" id="mwCc8" rel="mw:WikiLink" title="Ancient Rome">Roman</a> times?