I think it is 400m years, not 400--
The shifting sands along Hawaii's Waianae coast have revealed rock art that could date back more than 400 years, experts say.
cnn.com|By Jareen Imam
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Note: If you know nothing about economics, pl do not depend on hearsay. Pl take ecos. 101 or read or educate yourself. There are lots of ... -
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