{"version":"1.0","provider_name":"Leeuwarden City of Literature","provider_url":"https:\/\/leeuwardencityofliterature.nl\/en\/","author_name":"Grietje Deinum","author_url":"https:\/\/leeuwardencityofliterature.nl\/en\/author\/grietje\/","title":"Theater performance 'Havank' at De Bres - Leeuwarden City of Literature","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"6JJYOZrcc1\"><a href=\"https:\/\/leeuwardencityofliterature.nl\/en\/agenda\/theater-performance-havank-at-de-bres\/\">Theater performance &#8216;Havank&#8217; at De Bres<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/leeuwardencityofliterature.nl\/en\/agenda\/theater-performance-havank-at-de-bres\/embed\/#?secret=6JJYOZrcc1\" width=\"600\" height=\"338\" title=\"&#8220;Theater performance &#8216;Havank&#8217; at De Bres&#8221; &#8212; Leeuwarden City of Literature\" data-secret=\"6JJYOZrcc1\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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:\/\/leeuwardencityofliterature.nl\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/leeuwardencityofliterature.nl\/wp-content\/uploads\/2026\/02\/ritskohavank1b_sepia_def1_cmyk.jpg","thumbnail_width":1040,"thumbnail_height":1214,"description":"Following the success of &#8216;Slappe Douwe&#8217;, Teatro Magiko presents a new production about a Leeuwarden writer: Havank, the pseudonym of Hans van der Kallen. With over six million books sold about detective Charles Carlier (alias De Schaduw), Van der Kallen is one of the most successful Dutch authors. In this performance, the writer is given [&hellip;]"}