Challenge has finished
Spot the critical points/areas of our planet where pollution is present. Show how deadly pollution can be to our environment.
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Monday, 18th January, 2010 (GMT)
Monday, 25th January, 2010 – Sunday, 31st January, 2010 (GMT)
Monday, 1st February, 2010 – Sunday, 7th February, 2010 (GMT)
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Maximum number of entries per user:
Maximum number of entries in challenge:
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