{"version":"1.0","provider_name":"Polen Travel (SV)","provider_url":"https:\/\/www.polen.travel\/sv","author_name":"Polen Travel (SV)","author_url":"https:\/\/www.polen.travel\/sv","title":"Tarnowskie G\u00f3ry - en underjordisk v\u00e4rld av silver, bly och zink - Polen Travel (SV)","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"MR8KTWzDAo\"><a href=\"https:\/\/www.polen.travel\/sv\/tarnowskie-gorys-bly-zink-och-silvergruva\/\">Tarnowskie G\u00f3ry &#8211; en underjordisk v\u00e4rld av silver, bly och zink<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.polen.travel\/sv\/tarnowskie-gorys-bly-zink-och-silvergruva\/embed\/#?secret=MR8KTWzDAo\" width=\"600\" height=\"338\" title=\"&#8222;Tarnowskie G\u00f3ry &#8211; en underjordisk v\u00e4rld av silver, bly och zink&#8221; &#8212; Polen Travel (SV)\" data-secret=\"MR8KTWzDAo\" 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\/sv\/wp-content\/uploads\/sites\/22\/2024\/11\/AdobeStock_183535272.jpg","thumbnail_width":1600,"thumbnail_height":1127,"description":"Historia Fr\u00e5n medeltida fynd till industriell stormakt Gruvdriften i omr\u00e5det b\u00f6rjade redan p\u00e5 1500-talet, eftersom man uppt\u00e4ckte rika fyndigheter av silverhaltig malm n\u00e4ra markytan. Snart v\u00e4xte en hel stad upp kring brytningen, och Tarnowskie G\u00f3ry blev ett av Centraleuropas viktigaste gruvcentra. Samtidigt utvecklades tekniken snabbt. Gruvorna blev djupare, vilket kr\u00e4vde nya l\u00f6sningar f\u00f6r att hantera [&hellip;]"}