The odd one out

Challenge #1 in the Visual versus Frontal Cortex series. Hosted by Xscream.
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Find something repetitive, with one exception. For example a lot of apples with one pear, orange flowers with just one yellow one in between, or some young people with one old person in their middle.
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In a sea of green....
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Submitted: Sunday, 24th January, 2010 05:53 (GMT)
Taken: Thursday, 14th January, 2010
Focal length: 70 mm
Shutter speed: 1/30 sec
Aperture: F5.6
ISO: 100
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Views: 216
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