hieunguyenpro (25)in #travel • 7 years agoSon Doong Cave - The World's Largest Cave in Vietnam!The first, you can see overview Phong Nha - Kẻ Bang at the pictuere at bellow: Vietnam's Phong Nha-Ke Bang…hieunguyenpro (25)in #life • 7 years agoAbout Ha Long Bay in VietnamHa Long Bay cruises are available at almost every hotel and travel agency in Vietnam. Halong Bay is an impressive…