Reader Zulia Arbon, a Tajikistan citizen who's been living in China for 7 years, writes in with this question: "You took quite a few photos of people in China. How did you get around this? Did your translator help you to ask those people for permission to take pictures? Has anyone minded? Were there any times when you weren't allowed to take photos? I quite often see some really peculiar moments here in China, and I took some lovely photos. But sometimes I just don't have enough courage to ask people if I can take photos of them."
Read on for my response.