Old School, New Tricks / Go Greener 2019-11-25 20:00
＜Old School, New Tricks＞
HK seniors are heading back to school. They're learning from people much younger than themselves. We look at how and why learning never ends no matter what age the students are.
Reporter: Zela Chin
People are creating new solutions to solve waste, pollution, energy consumption problems.
Reporter: Douglas George