Sung Sot cave means Surprising or Amazing Cave. It is on Bo Hon Island and is one of the most spectacular and largest caves of Ha Long Bay. (Photo: VNA) 
The core area of Ha Long Bay was recognised twice by UNESCO as a World Natural Heritage site in 1994 and 2000, with global special values of geology. (Photo: VNA) 
The beauty of Trong Mai Islet (rock of 'the kissing cocks') in Ha Long Bay (Photo: VNA) 
Cruising is a classic way of travel in Ha Long Bay (Photo: VNA) 
Located in the southwest of Ha Long Bay, Dinh Huong Island consists of only one huge stone which has a shape of an incense burner, hence the name Dinh Huong (Incense Burner Islet) by locals. (Photo: VNA) 
Ha Long Bay boasts a mysterious and sacred beauty with universal significance. (Photo: VNA) VNA
