4.2 Watch the second part and complete Kihachiro Aratake's story.
This is Kihachiro Aratake - he's a ! He was diving
of Yonaguni when he found something
amazing. It looked like a small 3 under the water.
It had 4, steps and tall towers. One stone had
strange marks - was it ancient writing? Some 5
think this structure is over 10,000 years old. They say
it was once above the water.