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
LGBT athletes in the Olympic and Paralympic Games the 2010s, Olympic organizers have often included a Pride House facility for LGBT athletes. Alongside the Olympics, international multi-sport events have also been organized specifically for LGBT athletes, including the Gay Games and World OutGames. Since 2014 the International Olympic Committee has listed sexual orientation as a protected category in the Olympic charter. In the 2008 Summer Olympics in Beijing, only 14 athletes out of the 10,708 participants were openly gay, lesbian or bisexual, including: Of them only two, including Matthew Mitcham (who also won a gold medal, making him the first openly gay Olympic champion), were male. Mitcham gained