1.0EXO Travel Bloghttps://www.exotravel.com/blogadminhttps://www.exotravel.com/blog/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="oWY56g24zn"><a href="https://www.exotravel.com/blog/en/cu-chi-tunnels-vietnam/">Visit Cu Chi Tunnels in Vietnam and Discover the Hardships the People Faced</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.exotravel.com/blog/en/cu-chi-tunnels-vietnam/embed/#?secret=oWY56g24zn" width="600" height="338" title="“Visit Cu Chi Tunnels in Vietnam and Discover the Hardships the People Faced” — EXO Travel Blog" data-secret="oWY56g24zn" 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.exotravel.com/blog/wp-includes/js/wp-embed.min.js </script> The Cu Chi Tunnels are an extensive underground tunnel network built during the war for independence and expanded further during the Vietnam/American War by the Vietcong. It is located in the Cu Chi district of Saigon. At its peak, it covered 250 kilometers, stretching from near the Cambodian border to the outskirts of Saigon.https://www.exotravel.com/blog/wp-content/uploads/2010/03/vn-hcmc-cu-chi-tunnels-3-1.jpg400300