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
Summer Olympic Coins (2000–present) right side a symbol of the Belgian Olympic Committee, in the center an analog of the Olympic flambeau, which will constantly burn during the Olympic Games, and on the left side symbols of the Olympic disciplines: cycling, hockey, athletics and tennis can be seen. Summer Olympic Coins (2000–present) In 1951, the government of Finland authorized the striking of the first modern Olympic coin, a 500 Markka. At first, the coins circulated as currency in the issuing country and the mintages were high. In borrowing from the traditions of ancient Greece, the coins were a memento of the 1951 Games, and