1.0maastricht.museumofillusions.nlhttps://maastricht.museumofillusions.nl/en/Mislav Musijahttps://maastricht.museumofillusions.nl/en/author/mmusija/rich600338<blockquote class="wp-embedded-content" data-secret="nrEEOeIuOL"><a href="https://maastricht.museumofillusions.nl/en/exhibit/the-vortex-tunnel/">The Vortex Tunnel</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://maastricht.museumofillusions.nl/en/exhibit/the-vortex-tunnel/embed/#?secret=nrEEOeIuOL" width="600" height="338" title="“The Vortex Tunnel” — maastricht.museumofillusions.nl" data-secret="nrEEOeIuOL" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! 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); /* ]]> */ </script> https://maastricht.museumofillusions.nl/wp-content/uploads/2020/06/vortex-tunnel.jpg20481367The Vortex Tunnel When was the last time that someone made your head spin so hard that you felt like the ground was pulled away from under your feet? And you seem to be certain that you are spinning, even though you know that the bridge is actually not moving. You can’t control that reaction […]