Bristlecone Pine Forest in the US (IMAGE)
Caption
Picture of the bristlecone pine forest in California, the United States where the bristlecone pine sample for this study used to live (taken by Prof. A.J.T. Jull). In this forest, there are many living old trees exceed 1000 years old. Harsh environments make bristlecone pines very dense and long lives.
Credit
A.J.T.Jull
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License
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