The Chinese president, Xi Jinping, is disrupting the rules that have preserved an uneasy peace for 30 years.
China’s leader points to external enemies but his biggest problems are at home.
China is propping up North Korea’s economy, but it seems to get little influence in return.
So rapid has China's development been that at any given moment there are vast, empty proto-cities waiting for people.
The events of 4 June 1989 continue to generate new crimes – the crime of remembering, and the crime of forgetting.