A woman serves a customer at a restaurant in Sydney's Chinatown on June 21, 2017. There are no official emigration figures, but government estimates show hundreds of thousands leaving Hong Kong between 1990 and 1997, with the annual figure hitting 61,700 in 1990 and peaking at 66,200 in 1992. Australia, Canada and the United States were the top destinations and are still home to thriving Cantonese communities. / AFP PHOTO / WILLIAM WEST / TO GO WITH HongKong-China-Britain-Australia-Canada-politics,FEATURE (Photo credit should read WILLIAM WEST/AFP/Getty Images)
