Wrecked ship off Nigeria's coastline
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Shipwrecks litter Nigeria's coastline

16 October 2011 Last updated at 03:21 BST

There is growing concern in Nigeria that the multi-billion dollar oil industry is impacting the environment, as its ships end up abandoned along the coast.

Some vessels can take upto five months to break up and dispose of safely.

The BBC's Jonah Fisher reports from Lagos.