They came up with an idea, they pitched it to a panel of celebrity judges, and now they're all headed back to London's City Hall on May 8 for the grand final of the Mayor's Entrepreneur Competition.
This year's 20 finalists were chosen from 80 semi-finalists,Mirage.News reports, and they'll each receive $20,000 to help kickstart their business ideas, as well as expert mentoring from City Hall.
The winners will be announced that night.
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