Mixed martial arts, or MMA, is one of the world's fastest growing sports.

But in Hong Kong, they're trying to preserve one of the oldest.

Many forms of Kung Fu were orally passed down and new technology could stop various types from disappearing.

Al Jazeera's Divya Gopalan reports from Hong Kong.

- Subscribe to our channel: http://aje.io/AJSubscribe
- Follow us on Twitter: https://twitter.com/AJEnglish
- Find us on Facebook: https://www.facebook.com/aljazeera
- Check our website: http://www.aljazeera.com/