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Son Doong Cave is in the heart of Phong Nha Ke Bang National Park in Quang Binh province of Central Vietnam. Only recently (51).........in 2009-2010 by the British Cave Research Association, the cave has only been open to the (52).........since 2013. Fewer people have seen the inside of Son Doong Cave than have stood on the summit of Mount Everest. Join us on this otherworldly expedition and become one of the lucky few (53)......... have had the life changing experience of exploring the world's largest cave. Imagine trekking straight into the (54).........of the world's largest cave on an expedition unlike any other. A cave is (55).........massive that a Boeing 747 could fly through its largest cavern. Foreign landscapes found (56) ......... else, enormous stalagmites rising from the ground and statuesque stalactites hanging from the celling like an alien species. Jungles emerge (57).........the cave itself, which is so surreal that it's worth seeing once. Misty clouds envelop the whole scene, a result of the cave's own localised weather system. Passages adorned (58).........ancient fossils offer evidence of the millions of years that have passed on this Earth. As you approach the Jungle just outside the entrance, the (59) .......... of cool wind that cascades out brings to life everything inside of you. Hazy, cold and exhilarating, it is apparent that there's (60)..........magical waiting just beyond the opening to the cave.

Only recently (51).........in 2009-2010 by the British Cave Research Association, the cave has only been open to the (52).........since 2013.