Hong Kong is in the grip of its biggest political crisis since the city’s 1997 handover from British rule to Chinese sovereignty. Continuing protests, which at times turned violent, have slammed the government since it proposed an amendment to the city's extradition laws that would open the door to transfers of suspects to mainland China.  Hong Kong people say they are slowly losing freedoms they enjoy – freedoms not offered to citizens on the Chinese mainland. But how do mainlanders who live…