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A millennial aged Fokienia tree in Vietnam.
A millennial aged Fokienia tree growing in the dense forests of Vietnam's Bidoup Nui Ba National Park. Fokienia is one of several rare conifers growing in Southeast Asia that can attain such age, all of which produce annual rings. The vine-like structures shown here are actually aerial roots that are only rarely found on conifers.
Credit: Brendan M. Buckley, Lamont-Doherty Earth Observatory of Columbia University
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