The sight of professional tennis players doubled up and gasping for breath during the qualification tournament for last month's Australian Open has brought air pollution to the attention of the sporting world. Ironically, spectators could be seen wearing face masks while the players were expected to exert themselves without any protection. Many of the residents of Melbourne, where the tournament is being held, had been advised by environmental safety experts to stay inside and shut their windows because of the high levels of pollution caused by the bush fires raging across the state.
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