{"version":"1.0","provider_name":"Polen Travel (NL)","provider_url":"https:\/\/www.polen.travel\/nl","author_name":"magdalenastoch","author_url":"https:\/\/www.polen.travel\/nl\/author\/magdalenastoch\/","title":"Sterrenkijken in de donkerehemelparken van Polen - Polen Travel (NL)","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"fOXfDjg3Ug\"><a href=\"https:\/\/www.polen.travel\/nl\/sterrenkijken-in-de-donkerehemelparken-van-polen\/\">Sterrenkijken in de donkerehemelparken van Polen<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.polen.travel\/nl\/sterrenkijken-in-de-donkerehemelparken-van-polen\/embed\/#?secret=fOXfDjg3Ug\" width=\"600\" height=\"338\" title=\"&#8222;Sterrenkijken in de donkerehemelparken van Polen&#8221; &#8212; Polen Travel (NL)\" data-secret=\"fOXfDjg3Ug\" 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.polen.travel\/nl\/wp-content\/uploads\/sites\/23\/2026\/06\/nocne-niebo.jpg","thumbnail_width":2340,"thumbnail_height":1600,"description":"Sterrenkijken in de donkerehemelparken van Polen Veel rustige natuurgebieden in Polen zijn perfect om sterren te kijken. Wist u dat er in Polen twee speciale donkerehemelparken zijn? Dat zijn gebieden waar de nachtelijke hemel zo goed mogelijk wordt beschermd tegen lichtvervuiling. Het gaat om het Sterrenhemelpark \u201eBieszczady\u201d en het Izerski Donkerehemelpark in het Izera-gebergte. Voor [&hellip;]"}