Residents of Kiribati, a small island in the Pacific Ocean, were some of the first people to ring in 2011. But as many countries face a New Year of tough financial decisions and government cuts, how much are cities spending on their celebrations?
When the clock strikes midnight in Estonia, the country will become the 17th government to join the euro zone -- leaving their old currency, kroons, for the euro. But is this the right time to make the switch? Christopher Werth explains.