1.0Aldeias Históricas de Portugalhttps://aldeiashistoricasdeportugal.com/enTechnical Skillmindhttps://aldeiashistoricasdeportugal.com/en/author/technical-skillmind/rich600338<blockquote class="wp-embedded-content" data-secret="GjwgKmbxrF"><a href="https://aldeiashistoricasdeportugal.com/en/local/revelim-doble-hospital-de-sangue/">Doble Ravelin– Blood Hospital</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://aldeiashistoricasdeportugal.com/en/local/revelim-doble-hospital-de-sangue/embed/#?secret=GjwgKmbxrF" width="600" height="338" title="“Doble Ravelin– Blood Hospital” — Aldeias Históricas de Portugal" data-secret="GjwgKmbxrF" 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://aldeiashistoricasdeportugal.com/wp-includes/js/wp-embed.min.js </script> https://aldeiashistoricasdeportugal.com/wp-content/uploads/2019/02/revelim-doble-hospital-de-sangue-2.jpg800600Of Vauban influence, the Doble Ravelin was built in the 18th century. It has a characteristic dual structure which explains its name. It is considered one of the most perfect bastions as it covers all flanks. The Blood Hospital was set up here in 1658 due to the many wounded occupying the jail and the […]