1.0Cross-Channel Geoparkhttps://geoparktransmanche.org/en/Hélène Dehouckhttps://geoparktransmanche.org/en/author/helene/rich600338<blockquote class="wp-embedded-content" data-secret="iClNriYjaF"><a href="https://geoparktransmanche.org/en/blog/2026/09/students-discover-their-geoparks-through-letters/">Students discover their Geoparks through letters</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://geoparktransmanche.org/en/blog/2026/09/students-discover-their-geoparks-through-letters/embed/#?secret=iClNriYjaF" width="600" height="338" title="“Students discover their Geoparks through letters” — Cross-Channel Geopark" data-secret="iClNriYjaF" 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/2026/09/CartesPostales_geoparcs_VF_BD_page-0001-aspect-ratio-760-400.jpg760400‘Géoparcs en toutes lettres’ is a year-long educational exchange connecting school classes from different Geoparks through letters, parcels and shared discoveries. Students explore their local landscapes, heritage, materials and wildlife, and share their findings with pen pals, discovering both their own area and a new Geopark through another class’s eyes.