Greater transparency in what was one of Africa's most secretive states could help restore investor confidence in the continent's second-largest crude producer.
We wanted to know the name of the African city that tops the list of most expensive cities in the world according to a recent survey. The answer is Luanda, in Angola.
The World's Marco Werman explains how an international dance sound from Angola ended up in Portugal and took Europe by storm. The answer to today's Geo Quiz is Luanda, the capital of Angola.