Despite - or is it perhaps because of - increasing volumes of Chinese financing to Africa, that oft-reviled old banker, the International Monetary Fund (IMF), is making a comeback to the continent.

For the past eight years at the end of every August the James Town suburb of Ghana's capital Accra has been taken over by the Chale Wote street art festival. During the festival, thousands of people, including local celebrities, artists, musicians, boxers and everyday revellers, move up and down the streets mostly by foot and at times on roller skates or unicycles.