Stone circles show Neandertals’ social, technical skills

176,500-year-old stalagmite structures found in French cave

French cave

ANCIENT RING  A new study finds that Neandertals built structures out of stalagmites. Here, a researcher takes measurements of a circular arrangement of stalagmites created in a French cave around 176,500 years ago.

Etienne Fabre/SSAC

In at least one part of Stone Age Europe, Neandertals were lords of the rings. Humankind’s close evolutionary cousins built large, circular structures out of stalagmites in a French cave around 176,500 years ago, researchers say.