10 Prehistoric Bones That Don't Match Any Known Human

10 Prehistoric Bones That Don't Match Any Known Human You are standing at the edge of a limestone fissure in the humid, salt-heavy air of southern Okinawa, Japan. The year is 1970, and the excavation crew around you has been working carefully through layers of compacted sediment for weeks, inching deeper into a collapsed cave system that has been sealed from the world for over eighteen thousand years. The tools scrape slowly, deliberately, against stone that has not felt sunlight since the last ice age was still tightening its grip on the planet. Every fragment pulled from the earth is bagged, labeled, and carried to a sorting table where trained eyes scan each piece for significance.