Off the coast of Japan’s Ryukyu Islands, beneath rolling blue waves and coral gardens, rests something that shouldn’t really ...

Hidden beneath the waters surrounding Japan’s Yonaguni island are the towering ruins of a 10,000-year-old city built by a lost civilisation. That is, at least, what many experts think. The ...

The underwater monument near Yonaguni Island has puzzled divers and researchers since its discovery in 1986. Submerged beneath the waves off Japan’s southwestern coast, the vast stone structure ...