Australian Open: How the event is trying to stay Covid-safe
After a three week delay, the Australian Open has begun in Melbourne.
The Grand Slam has only been possible after all international competitors were put into 14-day quarantine.
But this – and the way Australia has managed to control the virus in recent months – means that tens of thousands of tennis fans are allowed in each day to watch.
The BBC’s Australia correspondent Shaimaa Khalil has been finding out how those spectators are being kept safe.
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