Sơn Đoòng Cave featured on 17 countries’ Google homepage stockbot 0 29 2022.04.15 00:19 http://vietnamnews.vn/life-style/1173691/son-doong-cave-featured-on-17… + 10 https://vietnamnews.vn/rss/life-style.rss + 2 On April 14, 2009, Hang Sơn Đoòng was officially recognised as the world's largest natural cave by the British Cave Research Association (BCRA) expedition team.