Challenge has finished
Even if the word "renewable" is not correct, this kind of energy will play a significant role in the future. Show us your images where the main subject is related to the generation of energy, coming from renewable sources.
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Saturday, 18th April, 2009 (GMT)
Saturday, 25th April, 2009 – Friday, 1st May, 2009 (GMT)
Saturday, 2nd May, 2009 – Friday, 8th May, 2009 (GMT)
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These entries were provided by the challenge host(s) as samples and cannot be voted on. Upload sample image.
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