{"version":"1.0","provider_name":"Oliptek","provider_url":"https:\/\/oliptek.com\/en\/","author_name":"Mehmet","author_url":"https:\/\/oliptek.com\/en\/author\/mehmet\/","title":"Historical Journey of City Lighting - Oliptek","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"elKsMXEKfJ\"><a href=\"https:\/\/oliptek.com\/en\/blog-en\/historical-journey-of-city-lighting\/\">Historical Journey of City Lighting<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/oliptek.com\/en\/blog-en\/historical-journey-of-city-lighting\/embed\/#?secret=elKsMXEKfJ\" width=\"600\" height=\"338\" title=\"&#8220;Historical Journey of City Lighting&#8221; &#8212; Oliptek\" data-secret=\"elKsMXEKfJ\" 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:\/\/oliptek.com\/wp-content\/uploads\/2025\/05\/sl6k.webp","thumbnail_width":1920,"thumbnail_height":1080,"description":"It was in the 19th century that cities became visible at night. At that time, gas lamps were lit by hand to illuminate the streets and improve safety. These independently operated systems were the first step in defining the place..."}