{"version":"1.0","provider_name":"And Did Those Feet","provider_url":"https:\/\/chr.org.uk\/anddidthosefeet","author_name":"Kevin Flude","author_url":"https:\/\/chr.org.uk\/anddidthosefeet\/author\/kpfludechr-org-uk\/","title":"Mystery of Roman Concrete Solved? - And Did Those Feet","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"wu3s92t7Hw\"><a href=\"https:\/\/chr.org.uk\/anddidthosefeet\/mystery-of-roman-concrete-solved\/\">Mystery of Roman Concrete Solved?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/chr.org.uk\/anddidthosefeet\/mystery-of-roman-concrete-solved\/embed\/#?secret=wu3s92t7Hw\" width=\"600\" height=\"338\" title=\"&#8220;Mystery of Roman Concrete Solved?&#8221; &#8212; And Did Those Feet\" data-secret=\"wu3s92t7Hw\" 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:\/\/chr.org.uk\/anddidthosefeet\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"The Society of Antiquaries Salon Newsletter has a fascinating report on an analysis of the virtues of Roman Concrete. Working as an archaeologist in the City of London, Roman concrete (opus signinum and opus caementicium) has long been a fascinating subject upon which I have pontificated (without a huge amount of research). I first came &hellip; Continue reading \"\"","thumbnail_url":"https:\/\/ci6.googleusercontent.com\/proxy\/jFdwZ79z8jZRa09y7kgBAwzYy-jCmb6_LdYx5TDDlkgVNBgC3IVwdYg4mDigrqTp32P1Pnyounr_Wu2NrgLM-qmaA5YYPYO6VzAbQooKvxcc1bBEFJEznQp9pfv98jAk0NaT2VN4_QV2e2PK8MVzIJS5vXfo9WQ=s0-d-e1-ft#https:\/\/mcusercontent.com\/5557bc147d34993782f185bde\/images\/ea0fa210-3488-2ceb-e520-5d55f0a7b453.jpeg"}