Along Hong Kong’s Victoria Harbour on a March weekend, tourists armed with selfie sticks jostled for space as they took photos with the city’s famed skyline as a backdrop. Nearby, tour guides told the stories of Bruce Lee and Tony Leung, two local actors featured in the Avenue of Stars – Hong Kong’s answer to the Hollywood Walk of Fame. Years ago, the chatter would likely have been a symphony of languages, from English to Korean to French and others. But on that Saturday afternoon, little else but Mandarin could be heard. Since Hong Kong fully reopened to travellers last February after three y…