Exploring the Underwater Ruins of Yonaguni Island If you're not familiar with the underwater ruins of Yonaguni Island, this is a brief look at this fascinating structure. Yonaguni Island belongs to a chain of islands known as the Ryuku Islands, which stretch Southwest from Japan towards the mainland of China. Yonaguni is the last of the islands of this chain and is only 30 miles from Taiwan. Ten years ago while looking for interesting under-water sites to dive near Yonaguni, scuba diving instruc

18K views · 118 reactions | The Yonaguni monument is impossible to investigate fully by diving. With the the help of survey technology, we can drain away the water to show the exact details of this mysterious structure. | National Geographic TV | Facebook