regarded as portals to a supernatural realm
... that in ancient Mesoamerica, mirrors were fashioned from stone and were regarded as portals to a supernatural realm?
... that in ancient <a href="./Mesoamerica" id="mwCEA" rel="mw:WikiLink" title="Mesoamerica">Mesoamerica</a>, mirrors were fashioned from stone and were <b id="mwCEE"><a href="./Mirrors_in_Mesoamerican_culture" id="mwCEI" rel="mw:WikiLink" title="Mirrors in Mesoamerican culture">regarded as portals to a supernatural realm</a></b>?