HANG SON DOONG, THE WORLD'S LARGEST CAVE: The incredible Son Doong Cave Expedition will give you a wonderful chance to explore the entire length of the world’s largest cave – Hang Son Doong and exit via

It was a balmy April day in Vietnam and Hồ Khanh had taken some time to explore the jungles near his home. He was surrounded by the sounds of bird calls and buzzing insects but he overhead something unusual

A massive shocking discovery in Vietnam. A farmer noticed a hole in a rock, the massive cave turned out the largest in the world, inside that cave another world found. Really unbelievable, this thing amazed