Huasca de Ocampo
... that Huasca de Ocampo is home to one of three major formations of columnar basalt ?
... that <b id="mwBMo"><a href="./Huasca_de_Ocampo" id="mwBMs" rel="mw:WikiLink" title="Huasca de Ocampo">Huasca de Ocampo</a></b> is home to one of three major formations of <a class="mw-redirect" href="./Columnar_basalt" id="mwBMw" rel="mw:WikiLink" title="Columnar basalt">columnar basalt</a> <i id="mwBM0">(pictured)</i>?