max mok: the atmosphere's different.grimmer, and it's very-- it's become a lot harder to hold on to ho. bill: as dissent is crushed, hong kong activists face a tough choice: to stay or flee? prison or exile? max: this is the only thing i think about now, this couple of weeks, is whether or not i'll be able to leave hong kong before something goes down. ♪♪♪ ♪♪♪ [crowd noise] bill: for six months, i reported from the streets as hong kongers rose up and a city burned. [guns firing] bill: and here it is: the inevitable conclusion to another night of protests here in hong kong. bill: many people i interviewed are now imprisoned. female: tonight, an extraordinary standoff. two australian journalists, including the abc's china correspondent bill birtles, have been rushed out of china, amid fears they faced arbitrary detention. bill: as china's relations with australia dintegrated, i was caught in the middle of a worsening diplomatic crisis. bill: it's a relief to be back into the country with genuine rule of law. bill: so this