Media playback is unsupported on your device

Where has Nigeria's oil money been spent?

1 October 2010 Last updated at 06:45 BST

From humble beginnings in the late 1950's, Nigeria has become one of the world's largest producers of oil and gas.

Komla Dumor is in Nigeria marking 50 years of the country's independence. The local governor Chibuike Rotimi Amaechi gave him a tour of Port Harcourt to see how the oil-billions have been spent.