Between the 15th and 19th Centuries, it is estimated that up to 12m Africans were forced onto European slave ships and taken across the Atlantic.

Two hundred years after the British parliament voted to abolish the trade, the effects on Africa are still being felt.

Head to a village in northern Ghana or indeed many villages in West Africa and at times you might wonder what century you are in.

Even though Ghana has achieved impressive growth rates in recent years, the scene in many rural areas appears to have changed little with grass thatched mud walled huts.

There is often no electricity and yes, the water is collected in plastic containers these days but it is still quite an effort to fetch it.