Southern Hemisphere Southern Hemisphere are São Paulo, where the Bovespa Index is headquartered, along with Sydney, home to the Australian Securities Exchange, Johannesburg, home to the Johannesburg Stock Exchange and Buenos Aires, headquarters of the Buenos Aires Stock Exchange, the oldest stock market in the Southern Hemisphere. Among the most developed nations in the Southern Hemisphere are Australia, with a nominal GDP per capita of US$51,850 and a Human Development Index of 0.939, the second highest in the world as of 2016. New Zealand is also well developed, with a nominal GDP per capita of US$38,385 and a Human Development Index of
Mario & Sonic at the London 2012 Olympic Games introduces new cooperative mechanics and a Party mode. The 3DS version has 57 Olympic-based events in single-player and multiplayer. It also contains an exclusive "Story Mode" which entails the characters from Mario and Sonic's worlds working against the antagonists, who are trying to use fog machines to prevent the games from being held. The first game in the series, "Mario & Sonic at the Olympic Games", is the first official crossover title to feature characters from both Mario and Sonic the Hedgehog's respective franchises. The Olympic Games were chosen as a setting since Sega and Nintendo felt its competitive sportsmanship