The rock art, which ranges from 15, 000 years old to 50 years old, chronicles Aborigine life, including scenes depicting relationships with other cultures.
In Aborigine culture -- the oldest continuous culture in the world, according to experts -- rock art serves as the only written record of past events.
Dr. Willerslev and his colleagues needed DNA from an Australian Aborigine who wouldn't have carried genes from European settlers.
Over the years, Aborigine tribal members have updated past artworks with different styles and new subjects.
Dr. Willerslev found the DNA he needed in a 100 - year -old hair sample from an Aborigine who lived in a relatively remote area of southwest Australia.
The undated painting was found during an fall 2008 expedition at Djulirri in the Aborigine territory of Arnhem Land in northern Australia.
Tasmanian Aborigine - The Tasmanian Aborigine was of a different race to those on the mainland with features more similar to Africans.
An Aborigine rock-art scene portrays a steam ship carrying humans -- possibly missionaries -- with hands on their hips, a gesture associated with Europeans.
Lin Ching-tai, an aborigine from the Atayal tribe who plays the lead role of a Seediq tribal chief, had never acted previously.
She represents her Aborigine people to the fullest, fights for them, and gives them something to believe in.