Travel blogger Quy Coc Tu (Ngo Tran Hai An) recorded the beauty of the cave after the flood season, during the Son Doong expedition on February 16-19, 2021. Quy Coc Tu shared that this was a safe survey trip in the cave at the beginning of the new year, after each flood season swept through Quang Binh. His group had a total of 70 people, including domestic and international reporters, such as Tran Dang Dang Khoa - Vietnamese around the world by motorbike, Tran Tuan Viet - NatGeo photographer in Vietnam. In addition, there were 40 support people, along with cave experts from the British Royal Caving Association.
Despite the unfavorable weather, the trip left him with many emotions. He was able to admire the unique beauty of the cave and was able to record many beautiful photos and videos of the journey.
