Pentax K20D
Tamron SP AF 90mm DI Macro
1/30 sec. f32
ISO 400
We were told in macrophotography class to be Arty rather than Documentary for our next assignment, and so I took this shot of the edge of an arm belonging to the Ethiopian Euphorbia tree in the desert greenhouse of the Chicago Botanic Garden. This tree is a kind of cactus, a succulent that grows as high as two stories and, dried, is used as firewood in the Ethiopian Ogaden Desert. (LATER: This shot won Best Closeup/Macro in the Botanic Garden's 2011 winter photography contest.)
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