{"version":"1.0","provider_name":"Prometheus","provider_url":"https:\/\/prometheus.tudelft.nl\/en\/","author_name":"Tamara Toussain","author_url":"https:\/\/prometheus.tudelft.nl\/en\/author\/ttoussain\/","title":"Daytrip Gouda | Open Monument Day - Prometheus","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"O2ZhKjdSsF\"><a href=\"https:\/\/prometheus.tudelft.nl\/en\/product\/daytrip-gouda-open-monument-day\/\">Daytrip Gouda | Open Monument Day<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/prometheus.tudelft.nl\/en\/product\/daytrip-gouda-open-monument-day\/embed\/#?secret=O2ZhKjdSsF\" width=\"600\" height=\"338\" title=\"&#8220;Daytrip Gouda | Open Monument Day&#8221; &#8212; Prometheus\" data-secret=\"O2ZhKjdSsF\" 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\/\/# sourceURL=https:\/\/prometheus.tudelft.nl\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/prometheus.tudelft.nl\/wp-content\/uploads\/2026\/05\/Gouda.jpg","thumbnail_width":570,"thumbnail_height":410,"description":"On Saturday, September 12th, we\u2019re heading to charming Gouda with Prometheus for Open Monument Day! On this special day, around 70 historic sites will open their doors to the public. Visit historic buildings, listen to fascinating stories, and enjoy music, guided tours, and performances in downtown Gouda. We\u2019ll start the day with a gathering at [&hellip;]"}