After many years in Hong Kong, with some sadness, I left the city for greener pastures, though my link with it remains an emotional one. When I moved my two dogs across the border to Shenzhen, I was told by agents, officials, even artificial intelligence, that the mainland bureaucracy would be rigid and unhelpful. My experience was the opposite. The young customs officers at Shenzhen Bay answered my phone calls, gave candid advice and treated my situation – a single parent relocating with a...