Stone slab found in France thought to be Europe’s oldest 3D map

Archaeologists believe 4,000-year-old engravings on Saint-Belec Slab resemble topological features

Archaeologists in France have uncovered a stone with 4,000-year-old etchings they believe may be the oldest three-dimensional map in Europe.

The engravings on the broken stone appear to resemble topological features including hills and a river network.