At the bottom, in red, are the words: "A reward of one million Hong Kong dollars," together with a UK phone number. To earn the money, about £95,000, there is a simple instruction: "Provide information on this wanted person and the related crime or take her to Chinese embassy". The woman from the photo is standing in front of me. She shudders when she looks at the building.
We are outside an imposing structure that was once home to the Royal Mint and which China hopes it can develop into a new mega-embassy in London, replacing the far smaller premises it has occupied since 1877.
