 Sarah Smith. Now, which sports championship has prize money worth a cool $60 million? Formula One, maybe? Or perhaps the combined golf majors? Well, it isn't either of those. It is, in fact, the Esports World Cup, which has begun in Saudi Arabia. Thousands of gamers and fans are in the capital, Riyadh, for the eight-week tournament. But as our reporter Imran Rahman-Jones explains, there are many who have concerns about this lucrative tournament.