Ancient CivilizationsArchaeologists find 140,000-year-old human and animal remains at the bottom of the ocean Posted on July 25, 2025 by Administrator Off the eastern tip of Java, dredging barges dragged up more than sand. They pulled a piece of the past: a submerged river valley under the Madura Strait packed with fossils that had slept under fifty feet of water since long before the last Ice Age melted away.