EARTH - Ancient Japanese Underwater Pyramids

The island of Yonaguni, near Okinawa, Japan has long been a favorite diving spot for swimmers try to get a glance of the numerous hammerhead sharks that swim there. However, in 1995 underwater explorer Kihachirou Aratake found a very large, strange structure under the water. Lying about 60 feet deep, the structure appeared to be man-made. Large steps could be seen, blocks of rock cut at right angles and smoothed. The discovery would send shock waves through the archaeological world.

http://www.rabbithole2.com/presentation/ancient/ancient_underwater_cit