A cave chamber sealed off by sand for some 40,000 years has been discovered in Vanguard Cave in Gibraltar -- a finding that could reveal more about the Neanderthals who lived in the area around that time.
A cave chamber sealed off by sand for some 40,000 years has been discovered in Vanguard Cave in Gibraltar -- a finding that could reveal more about the Neanderthals who lived in the area around that time.