{"version":"1.0","provider_name":"Discover Walks Blog","provider_url":"https:\/\/www.discoverwalks.com\/blog","author_name":"Floriane Gaber","author_url":"https:\/\/www.discoverwalks.com\/blog\/columnist\/floriane-gaber\/","title":"In the Basement of Notre-Dame - Discover Walks Columnist","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Ls71j46By0\"><a href=\"https:\/\/www.discoverwalks.com\/blog\/columnist\/floriane-gaber\/in-the-basement-of-notre-dame\/\">In the Basement of Notre-Dame<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.discoverwalks.com\/blog\/columnist\/floriane-gaber\/in-the-basement-of-notre-dame\/embed\/#?secret=Ls71j46By0\" width=\"600\" height=\"338\" title=\"&#8220;In the Basement of Notre-Dame&#8221; &#8212; Discover Walks Blog\" data-secret=\"Ls71j46By0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!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);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.discoverwalks.com\/blog\/wp-content\/uploads\/2025\/04\/photocluny3.jpg","thumbnail_width":1500,"thumbnail_height":1000,"description":"The cathedral itself is a composite monument, whose various structural and decorative elements date from the 12th to the 21st century. But its basement holds many other surprises, notably revealed by the work of archaeologists working on the renovation of Notre-Dame following the fire of April 15, 2019. The spire culminating in the crossing of [&hellip;]"}