London's commuters could face an Olympic task of their own Monday.
They'll be competing with spectators and tourists to get around town during rush-hour.
Sporting events will take place in venues across London, from the Olympic Park in the east to Wimbledon and Wembley Stadium in the west.
Transport for London, which runs the capital's public transport network, warned commuters to avoid multiple key subway lines and urged them to leave extra time for their journeys.
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