In the centre of Beijing, a short walk from the Forbidden City and Tiananmen Square, as well as the Foreign Ministry and the headquarters of the People's Liberation Army (PLA), lies a small campus surrounded by greenery, and, amid the walkways to the different buildings, a small, discreet restaurant which is much sought after by special guests. For the canteen of the China Foreign Affairs University, which is more sophisticated than its name suggests, is not open to everyone. It is difficult to know