Inside Amber Lounge
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Amber Lounge: Formula 1's travelling after-party

The business of Formula 1 is not just cars and racing. It's also about sponsorship, branding... and even the after-parties, drawing in paying crowds to be part of the sporting experience.

Sonia Irvine, sister of former racing car driver Eddie, is the founder of Amber Lounge - a party that travels with the Formula 1 to its glitziest venues and where celebrities mingle with racing fans, at a price.

So what's the appeal of F1? The BBC's Linda Yueh finds out more for Talking Business.

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