Half-mile Stone Age wall found on the Baltic seafloor may have once funneled reindeer for hunting

Half-mile Stone Age wall found on the Baltic seafloor may have once funneled reindeer for hunting

A nearly half-mile-long Stone Age wall resting on the floor of the Baltic Sea is giving archaeologists a striking glimpse of how humans hunted near the end of the last Ice Age. Researchers say the "Blinkerwall" was built when that part of the Baltic was still dry land. In that earlier landscape, migrating reindeer would have crossed a coastal plain that no longer exists. What happened? A Reddit post recently drew attention to the Blinkerwall, de…