1.0Raunahttps://pils.rauna.lv/en/valtershttps://pils.rauna.lv/en/author/valters/rich600338<blockquote class="wp-embedded-content" data-secret="ypLtqhrisg"><a href="https://pils.rauna.lv/en/rauna-devils-cave/">Rauna Devil’s Cave</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://pils.rauna.lv/en/rauna-devils-cave/embed/#?secret=ypLtqhrisg" width="600" height="338" title="“Rauna Devil’s Cave” — Rauna" data-secret="ypLtqhrisg" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://pils.rauna.lv/wp-includes/js/wp-embed.min.js </script> https://pils.rauna.lv/wp-content/uploads/2022/10/12.png10001000Rauna Devil’s Cave is approximately 50 m2 large and 13.6 cm deep subterranean cave in the white sand of Devonian sedimentary rock. The measurements of the cave were performed in summer 1974. Parts of the cave have been collapsed several times and afterwards the cave has been cleaned again. The last collapse occurred in late […]