{"version":"1.0","provider_name":"Abo Holland","provider_url":"https:\/\/aboholland.nl","title":"Home - Abo Holland","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"yTKvz4DMVb\"><a href=\"https:\/\/aboholland.nl\/\">Home<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/aboholland.nl\/embed\/#?secret=yTKvz4DMVb\" width=\"600\" height=\"338\" title=\"&#8220;Home&#8221; &#8212; Abo Holland\" data-secret=\"yTKvz4DMVb\" 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:\/\/aboholland.nl\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"Boemerangs in Nederland https:\/\/aboholland.nl\/wp-content\/uploads\/2021\/01\/max-houben-amsterdamse-bos.mp4 Max Hoeben, eerste boemerangwedstrijden in Nederland. Amsterdamse Bos, 27 oktober 1975. bron: polygoon Aandacht voor een boemerangwedstrijd georganiseerd door Max Hoeben in Amstelveen. Hoeben heeft jaren in Australi\u00eb gewoond en is in Nederland begonnen met het maken van eigen boemerangs, waardoor de sport ook in Nederland aan populariteit wint. Winnaar van de wedstrijd bij de jongens [&hellip;]"}