1.0Madrid Convention Bureau (en)https://www.esmadrid.com/mcb/eneditorhttps://www.esmadrid.com/mcb/en/author/editor/rich600338<blockquote class="wp-embedded-content" data-secret="HafsF8kDyN"><a href="https://www.esmadrid.com/mcb/en/news/open-house/">Open House</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.esmadrid.com/mcb/en/news/open-house/embed/#?secret=HafsF8kDyN" width="600" height="338" title="“Open House” — Madrid Convention Bureau (en)" data-secret="HafsF8kDyN" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://www.esmadrid.com/mcb/en/wp-includes/js/wp-embed.min.js </script> https://www.esmadrid.com/mcb/en/wp-content/uploads/sites/3/2015/10/open-house.jpg540302  It was Madrid’s turn to host this architecture and city festival, held in more than 30 cities across the globe, including New York, London, Chicago and Vienna. Over the weekend of 26 and 27 September, the city of Madrid opened its buildings to raise awareness of its culture, design and architecture to all citizens […]