Summer Olympic Games demand for tickets to all levels of each event, there was controversy when seats set aside for sponsors and National Delegations went unused in the early days. A system of reallocation was put in place so the empty seats were filled throughout the Games. Rio de Janeiro, Brazil hosted the 2016 Summer Olympics, becoming the third city in the Southern Hemisphere to host the Olympic Games after Melbourne, Australia, in 1956 and Sydney, Australia, in 2000, and the first South American city to host the Olympics. The preparation for these Games was overshadowed by controversies, including the instability of Brazil's
President of the International Olympic Committee the IOC since 1980. Under his leadership, the IOC aimed to create more possibilities for developing countries to bid for and host the Olympic Games. Rogge believes that this vision can be achieved in the not too distant future through government backing and new IOC policies that constrain the size, complexity and cost of hosting the Olympic Games. At the 2002 Salt Lake City Olympics, Rogge became the first IOC President to stay in the Olympic village, to enjoy closer contact with the athletes. During the opening ceremonies of the 2010 Vancouver Olympics, Rogge delivered a commemoration of Georgian luge