Oxidation (Capture date and size rule) Please read all...
Challenge has finished
We can't live without it, but oxygen is also a destroyer of many things. Show us a photo that captures this process. It can be a Apple turning brown of an old rusty pickup.
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Tuesday, 24th April, 2012 (GMT)
Tuesday, 1st May, 2012 – Monday, 7th May, 2012 (GMT)
Tuesday, 8th May, 2012 – Monday, 14th May, 2012 (GMT)
Capture date rules:
Maximum number of entries per user:
Maximum number of entries in challenge:
p previous n next c challenge f full size r retract vote # vote
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