A floating lake has been found by Jungle Boss, an adventure tourism company, inside Thung Cave at Phong Nha Kẻ Bàng National Park in the central province of Quảng Bình.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
