Fig. 4. Puncture marks consistent with leather hole punching on a bone fragment at Canyars, Catalonia, dated to 39,600 cal B.P.
Scale bars, 1 cm. Photos: L. Doyon, F. d’Errico.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.