1.0Castle Ruins & Velvet Cavehttps://www.kasteelvalkenburg.nl/en/James Robinsonhttps://www.kasteelvalkenburg.nl/en/author/james-robinson/rich600338<blockquote class="wp-embedded-content" data-secret="CnsW0fcOPz"><a href="https://www.kasteelvalkenburg.nl/en/">Home</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.kasteelvalkenburg.nl/en/embed/#?secret=CnsW0fcOPz" width="600" height="338" title="“Home” — Castle Ruins & Velvet Cave" data-secret="CnsW0fcOPz" 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://www.kasteelvalkenburg.nl/wp-includes/js/wp-embed.min.js </script> https://www.kasteelvalkenburg.nl/wp-content/uploads/2020/10/Kasteelgrot-SEO.jpg600352A history of marl and power Discover the marl secrets Relive the stirring history of the many sieges Relive the stirring history of the many sieges, destructions and dominions of knights such as Walram de Rosse, Gosewijn, and the Dukes of Brabant, until the final destruction of the castle on 10 December 1672 at the […]