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Science, Tech & Environment
PRI's The World
March 07, 2012 · 9:55 AM CST
Listen to the story.
The famous dragon blood trees of Socotra. When cut, the trees ooze a scarlet resin that has been used in paintings. (Photo courtesy of Stefan Geens/Flickr).
In Science, Tech & Environment.
Tagged: EuropeYemenSocotraKay Van Dammeenvironment.
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