Some might consider drilling a hole in someone's head a form of torture, but in the province of Ahdahuaylas in Peru, ca. AD 100-1250, it was state-of-the-art medical care.
Fuente : http://www.eurekalert.org/pub_releases/2013-12/uoc...
Fuente : http://www.eurekalert.org/pub_releases/2013-12/uoc...