> There must have been reasons why those people chose to live there Undocumented status. HK was not part of the PRC until 1997, and even today you require aut

> There must have been reasons why those people chose to live there Undocumented status. HK was not part of the PRC until 1997, and even today you require authorization to live there. Back before reunification, lots of undocumented Chinese nationals would sneak across the fence in the New Territories and then live in the Walled City as it was technically still Chinese territory that was not absorbed by the British during the 99 year lease.