{"version":"1.0","provider_name":"Footprints of London","provider_url":"https:\/\/footprintsoflondon.com\/live","title":"RiverWalks - Footprints of London","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"w7tSUtNQnb\"><a href=\"https:\/\/footprintsoflondon.com\/live\/riverwalks\/\">RiverWalks<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/footprintsoflondon.com\/live\/riverwalks\/embed\/#?secret=w7tSUtNQnb\" width=\"600\" height=\"338\" title=\"&#8220;RiverWalks&#8221; &#8212; Footprints of London\" data-secret=\"w7tSUtNQnb\" 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","description":"Footprints of London River Walks &nbsp; From the Roman era to the present day London has relied on its rivers for life, trade, transport and recreation. Footprints of London guides tell the story of London through its rivers in a series of walks this year. Our walks cover everything from the New River in Islington...","thumbnail_url":"http:\/\/footprintsoflondon.com\/live\/wp-content\/uploads\/2015\/02\/IMG_0016-300x200.jpg"}