{"version":"1.0","provider_name":"Footprints of London","provider_url":"https:\/\/footprintsoflondon.com\/live","title":"walkingthefleet - Footprints of London","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"9bv6ap4ZmY\"><a href=\"https:\/\/footprintsoflondon.com\/live\/walkingthefleet\/\">walkingthefleet<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/footprintsoflondon.com\/live\/walkingthefleet\/embed\/#?secret=9bv6ap4ZmY\" width=\"600\" height=\"338\" title=\"&#8220;walkingthefleet&#8221; &#8212; Footprints of London\" data-secret=\"9bv6ap4ZmY\" 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:\/\/footprintsoflondon.com\/live\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/i0.wp.com\/footprintsoflondon.com\/live\/wp-content\/uploads\/2014\/12\/viaductpond.jpg?fit=500%2C375&ssl=1","thumbnail_width":500,"thumbnail_height":375,"description":"Walking The Hidden River Fleet Thousands of people cross\u00a0the River Fleet every day, but few of them realise it. The Fleet is mostly \u00a0hidden underground today, but Footprints of London guides will be following its course from the springs of Hampstead to the Thames at Blackfriars. You can join them for a day of walking..."}