SPAIN-ARCHAEOLOGY-ATAPUERCA

An rchaeologist cleans a bone with a brush in the dig of "Cueva Fantasma" (Ghost cave), in the archaeological site of the Atapuerca mountain range, province of Burgos on July 10, 2017. Fossils and stone tools of the earliest known hominids in Europe, dating to between 780,000 and 1 million years ago, were discovered at the Atapuerca's Archaeological site which was added to the UNESCO list of World Heritage Sites in 2000. In 2007 the archaeological team found in the caves of the Elephant, a jaw and a human phalanx dating back 1.2 million years and considered to be the remains of the "oldest European". / AFP PHOTO / CESAR MANSO (Photo credit should read CESAR MANSO/AFP via Getty Images)