Hundreds of thousands of people have taken to the streets of Hong Kong over the past two weeks to protest against a controversial extradition bill. Many of them were teenagers and university students. Some said the protests were not just about the bill itself, but also the autonomy and freedom of their home -- Hong Kong.   Of the three young Hongkongers we interviewed, only one was willing to show her face and use her real name.  A sign of the growing fear young people in the city have of…