Venues of the 2000 Summer Olympics for the 2000 Games continue to be in use as of 2018. Australia first hosted the Summer Olympics in 1956 at Melbourne. The main venue used was the Melbourne Cricket Ground which hosted the ceremonies (opening/closing), athletic events, and the finals for both field hockey and football. Sydney first made preliminary plans for the 1972 and 1988 Summer Olympics, but they were not followed through. Melbourne made a bid for the 1988 Summer Games, but withdrew in February 1981. Brisbane made a bid for the 1992 Summer Olympics, losing out to Barcelona while Melbourne finished fourth in the bidding for
Summer Olympic Games federal government; the country's economic crisis; health and safety concerns surrounding the Zika virus and significant pollution in the Guanabara Bay; and a state-sponsored doping scandal involving Russia, which affected the participation of its athletes in the Games. Tokyo, Japan will host the 2020 Summer Olympics, making it the first Asian city to host the Olympic Games twice. Forty-two sports, spanning 55 disciplines, have been part of the Olympic program at one point or another. Twenty-eight sports have comprised the schedule for three of the recent games, 2000, 2004, and 2008 Summer Olympics. Due to the removal of baseball and