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Grim task of China's oil spill clean-up operation

China is struggling with an arduous clean up after the country's worst oil spill.

A fortnight ago a fire at an oil depot caused crude to start leaking into the sea. The flow was not halted for several days.

Now an army of volunteers and fishermen's been mobilised to clean up the pollution, but conditions for those involved are grim, as Chris Hogg found out.

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