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
Winter Olympic Games been selected to host a Winter Olympics and it was the second time the Olympics were held in the country overall, after the 1988 Summer Olympics in Seoul. The Games took place from 9 to 25 February 2018. More than 2,900 athletes from 92 countries participated in 102 events. The Olympic Stadium and many of the sports venues were situated in the Alpensia Resort in Daegwallyeong-myeon, Pyeongchang, while a number of other sports venues were located in the Gangneung Olympic Park in Pyeongchang's neighboring city of Gangneung. The lead-up to the 2018 Winter Olympics was affected by the tensions between