Chinese gamer: I play for 15 hours a day

China's online gaming industry is the biggest and fastest growing in the world. Around two-thirds of internet users play games online.

Now more of them are becoming professional. With prize money of more than $14m last year, some young people have even chosen to make online gaming their career.

The BBC spoke to one professional gamer, 18-year-old Wei Zhen, a rising star in the industry.

Produced by Zoe Chen