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
Olympic Games performance-enhancing drugs. There was a sharp increase in positive drug tests at the 2000 Summer Olympics and 2002 Winter Olympics. Several medallists in weightlifting and cross-country skiing were disqualified because of doping offences. During the 2006 Winter Olympics, only one athlete failed a drug test and had a medal revoked. The IOC-established drug testing regimen (now known as the Olympic Standard) has set the worldwide benchmark that other sporting federations attempt to emulate. During the Beijing games, 3,667 athletes were tested by the IOC under the auspices of the World Anti-Doping Agency. Both urine and blood tests were used to