What happened when people in China tried to replicate Emma Watson hiding free books on public transit?

Remember last month when Harry Potter star Emma Watson who, as a UN Goodwill Ambassador, started to leave free copies of Mom & Me & Mom at different locations on the London underground? Shortly after the news broke, this sort of book-on-metro practice has become a fad in China with campaigns of a similar fashion … More What happened when people in China tried to replicate Emma Watson hiding free books on public transit?