Son Doong cave adventure tour fully booked for 2024 15:00 26/12/2023 Oxalis, the only firm operating expedition adventure tour to Son Doong – the world’s largest natural cave recently announced that the tour is fully booked for the whole of 2024.
Promoting potentials of Vietnam's cave kingdom 21:45 06/07/2023 PSNews - Over the last 20 years, the British Cave Research Association (BCRA) has discovered 425 caves in Phong Nha - Ke Bang and surrounding areas.