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
Olympic Games city hosting the next Olympic Games. The next host nation then also briefly introduces itself with artistic displays of dance and theatre representative of its culture. As is customary, the last medal presentation of the Games is held as part of the closing ceremony. Typically, the men's marathon medals are presented at the Summer Olympics, while the cross-country skiing mass start medals are awarded at the Winter Olympics. A medal ceremony is held after each Olympic event is concluded. The winner, second and third-place competitors or teams stand on top of a three-tiered rostrum to be awarded their respective medals.