Secretary for Education's speech at 2012 Hang Lung Mathematics Awards presentation ceremony http://dlvr.it/2fhHyz #hknews
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Secretary for Education's speech at 2012 Hang Lung Mathematics Awards presentation ceremony http://dlvr.it/2fhHyz #hknews