1.0Cross-Channel Geoparkhttps://geoparktransmanche.org/en/Fatima Bajwahttps://geoparktransmanche.org/en/author/fbajwa/rich600338<blockquote class="wp-embedded-content" data-secret="pJpCdnmBTq"><a href="https://geoparktransmanche.org/en/events/geology-tour-at-fan-bay/">Geology tour at Fan Bay</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://geoparktransmanche.org/en/events/geology-tour-at-fan-bay/embed/#?secret=pJpCdnmBTq" width="600" height="338" title="“Geology tour at Fan Bay” — Cross-Channel Geopark" data-secret="pJpCdnmBTq" 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://geoparktransmanche.org/wp-includes/js/wp-embed.min.js </script> https://geoparktransmanche.org/wp-content/uploads/2026/07/visitor-walking-along-the-clifftop-at-the-white-cliffs-of-dover-kent-aspect-ratio-760-400.jpg760400Ever wondered how chalk was formed, why we find flint in chalk and how old the rocks are? Now is your chance to discover the answers to these and many other questions, first-hand, deep inside the White Cliffs of Dover.