The future of Hong Kong’s native language, Cantonese, is in doubt.Schools are being encouraged to use China’s national language, Mandarin. Academics fear Cantonese will die out if it’s denied to the next generation.Al Jazeera's Sarah Clarke 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/