{"version":"1.0","provider_name":"Instytut Archeologii","provider_url":"https:\/\/archeo.uwr.edu.pl\/en\/","author_name":"marek.grzeskowiak2@uwr.edu.pl","author_url":"https:\/\/archeo.uwr.edu.pl\/en\/author\/marek-grzeskowiak2uwr-edu-pl\/","title":"Extra limites - Instytut Archeologii","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"LQW2OxMYRI\"><a href=\"https:\/\/archeo.uwr.edu.pl\/en\/2026\/06\/03\/extra-limites-4\/\">Extra limites<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/archeo.uwr.edu.pl\/en\/2026\/06\/03\/extra-limites-4\/embed\/#?secret=LQW2OxMYRI\" width=\"600\" height=\"338\" title=\"&#8220;Extra limites&#8221; &#8212; Instytut Archeologii\" data-secret=\"LQW2OxMYRI\" 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:\/\/archeo.uwr.edu.pl\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/archeo.uwr.edu.pl\/wp-content\/uploads\/sites\/84\/2026\/06\/Extra_limites_20260612_small.jpg","thumbnail_width":2482,"thumbnail_height":1839,"description":"The final Extra limites seminar of the 2025\/2026 academic year will take place on 12 June 2026. The Institute of Archaeology will host Prof. Adam Cie\u015bli\u0144ski from the Faculty of Archaeology, University of Warsaw, and Marcin Wo\u017aniak, PhD, from the Museum of Ancient Mazovian Metallurgy in Pruszk\u00f3w, who will present the latest research findings on the Mazovian Centre of Ancient Iron Production"}