1.0Astigarreta koop.https://astigarreta.eus/en/Kimia Kamvarihttps://astigarreta.eus/en/author/kimia/rich600338<blockquote class="wp-embedded-content" data-secret="YnQctWGM4E"><a href="https://astigarreta.eus/en/publicacion/negative-landscape/">Negative Landscape</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://astigarreta.eus/en/publicacion/negative-landscape/embed/#?secret=YnQctWGM4E" width="600" height="338" title="“Negative Landscape” — Astigarreta koop." data-secret="YnQctWGM4E" 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://astigarreta.eus/wp-includes/js/wp-embed.min.js </script> https://astigarreta.eus/wp-content/uploads/2026/04/2026-04-07-54_web.jpg24001781ORDER Sinkholes are geological accidents that indicate the emptying of underground aquifers, places where the earth collapses and caves in, yielding to gravity and creating cavities of varying depths. Although they can occur for natural reasons, they are mostly the result of human activity: changes in river courses, intensive exploitation of water resources, mining activity  … Read more