The diver who found Yonaguni was looking for SHARKS

Yonaguni, the westernmost speck of Japan, almost closer to Taiwan than to Okinawa. 1986 a local dive operator named Kihachiro Aratake is out scouting hammerhead spots and swims into this huge submerged stone formation about 25m down. flat terraces, straight edges, what looks like steps and a big ram……