Okinawa, Japan's 47th prefecture, is different and distinctive from the Japanese mainland in myriad ways relating to its location and geology as well as its people and their unique cultural history. A surprising place to explore some of those differences is Yajiyagama Cave on Kumejima island, about 100 kilometers west of Naha. Yajiyagama, once the … Continue reading Yajiyagama Cave: telling geologic time and human history