VNAT’s Vice Chairman Ha Van Sieu offers badges “Conquering Son Doong cave - the world’s largest cave” to the BBC film team
(TITC) - On 19th February, in Quang Binh Province, Quang Binh Department of Tourism in association with Oxalis Co., Ltd (Oxalis Adventure) held a meeting with the nature film team of BBC Landmark Natural History Series after the team finished the recording programme at Phong Nha - Ke Bang.