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
Libya at the 2000 Summer Olympics number of Libyans at any one Summer Olympics was 29 at the 1980 Moscow Games. There were three male athletes in the Libyan team for the 2000 Summer Olympics, one in athletics, one in judo and one in taekwondo. The nation had been represented by judokas previously at the 1992 Games, but it was the first time that a Libyan had competed in taekwondo at the Summer Olympics which became an official Olympic sport at the 2000 Games. Adel Edeli was the only competitor in athletics for Libya at the 2000 Summer Olympics; he took part in the men's marathon