Sports facilities built for the Olympics are not fully utilised after the Games are over because
their scale and the costs of operating them are large.
their location away from the city centre usually limits easy access
the authorities do not adapt them to local conditions.
they become outdated having being built with little planning and under time pressure.
their scale and the costs of operating them are large.
The passage discusses how the Sydney Olympics stadium costs 30 million USD to operate per year and all the other facilities in Beijing are simply too big. This is given in option (1).