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1.0Gray Line Halong Cruisehttps://www.graylinehalong.comadminhttps://www.graylinehalong.com/author/admin/Surprise Cave - Gray Line Halong Cruiserich600338<blockquote class="wp-embedded-content" data-secret="Vcw8j6M8PN"><a href="https://www.graylinehalong.com/destinations/surprise-cave/">Surprise Cave</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.graylinehalong.com/destinations/surprise-cave/embed/#?secret=Vcw8j6M8PN" width="600" height="338" title="“Surprise Cave” — Gray Line Halong Cruise" data-secret="Vcw8j6M8PN" 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://www.graylinehalong.com/wp-content/uploads/2018/06/Surprise-cave.jpg360230Situated in the center of the World Heritage area, “Sung Sot” cave has been found in Bo Hon Island and entered the three glorious and widest caves of Ha Long Bay. The path to Sung Sot is paved securely and lined with shady trees, leading us into extended chambers that one hardly imagine it can possibly […]