HẦM HẢI VÂN: KỲ TÍCH XUYÊN NÚI BIỂN LỚN NHẤT VIỆT NAM BỊ GIẤU KÍN SUỐT 20 NĂM! | Góc Khuất Việt Sử

HAI VAN TUNNEL: VIETNAM'S LARGEST MOUNTAIN-SEA MIRACLE THAT HAS BEEN HIDDEN FOR 20 YEARS! | Hidden Corner of Vietnamese History HAI VAN TUNNEL - the largest mountain-crossing project in Vietnam, over 6.2km long, was once the most controversial project in modern transportation history. Few people know that, to complete this miracle, thousands of Vietnamese engineers and workers had to face landslides, tunnel flooding, lack of technology, and even almost had the project canceled halfway. From the "spell" of Hai Van Pass that divided the North and South, to the day of breaking through the Bach Ma rock vein with 250kg of explosives, all are realistically recreated in this video. Don't miss the never-before-told epic journey of an infrastructure epic that became a symbol of Vietnam's will in the 21st century! 📌 A miraculous project across the mountain, almost canceled and had to be exchanged with the sweat and tears of thousands of people... 🚧 What detail impressed you most during the construction of the Hai Van tunnel? 💬 Leave your thoughts or stories about this project! 🙏 Don't forget to click the "Join" button to become a member or send a "Thank you" to support the channel! 👉    / @gockhuatvietsu   #hamhaivan #deohaivan #xaydunghamxuyennui #giaothongvietnam #kytichvietnam #hamxuyennui #haivanhistory #congtrinhvietnam #hamduongbotrongdiem #vietnaminfrastructure #duongxuyennui #xaydungvietnam #lichsuvietnam #hamhaivan2 #truyenthuyethaivan -------------------------- Goc Khuat Viet Su is a place to recreate historical and political events in Vietnam from the past to the present - from a profound, honest and undogmatic perspective. From forgotten characters, little-understood political decisions, to surprising behind-the-scenes developments, the channel brings you stories that have never been fully told, or have been misunderstood in the flow of history. This is not just a place to "listen to history", but a place to understand history - think about politics - and feel the nation. #GocKhuatVietSu #chinhtrivietnam #tintuc24h -------------------------- Note: The content in the video is compiled from many different sources on the internet, including newspapers, documents, articles on social networks and other public information sources. We do not intend to distort, fabricate or spread false information, nor do we aim to oppose any organization or individual. All content is for reference, entertainment and exploration of multi-dimensional perspectives on mysterious phenomena in life.