Polish Jura Chain
...that the Jurassic limestone formations of the Polish Jura Chain upland contain some 200 caves?
...that the <a href="./Jurassic" id="mwEB4" rel="mw:WikiLink" title="Jurassic">Jurassic</a> <a href="./Limestone" id="mwEB8" rel="mw:WikiLink" title="Limestone">limestone</a> formations of the <b id="mwECA"><a class="mw-redirect" href="./Polish_Jura_Chain" id="mwECE" rel="mw:WikiLink" title="Polish Jura Chain">Polish Jura Chain</a></b> <i id="mwECI">(pictured)</i> <a class="mw-redirect" href="./Upland_(geology)" id="mwECM" rel="mw:WikiLink" title="Upland (geology)">upland</a> contain some 200 caves?<!--This was kept from August 1 because of the great images. Please don't remove it. &#x2D;&#x2D; [[User:Circeus]]-->