Ancient Rock Art Found in Brazil (IMAGE)
Caption
This is the oldest reliably dated petroglyph ever found in the New World.
Credit
Citation: Neves WA, Araujo AGM, Bernardo DV, Kipnis R, Feathers JK (2012) Rock Art at the Pleistocene/Holocene Boundary in Eastern South America. PLoS ONE 7(2): e32228. doi:10.1371/journal.pone.0032228
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