This Stone Age wall may have led Eurasian reindeer to their doom

The underwater structure functions similarly to ancient traps in North America and the Middle East

An underwater photograph of rocks formed loosely in what appears to be a short wall

These stones at the bottom of the Baltic Sea off the coast of Germany were part of a wall that Stone Age hunter-gatherers may have used to hunt reindeer, scientists say.

Philipp Hoy

If this underwater wall could talk, it might reveal that it once helped Stone Age Europeans hunt reindeer.