Today, 21 September, is the UN International Day of Peace. It’s a day to think about how peace is achieved, safeguarded and built. It is, of course, not the work of a day. Think of Syria, and how much rebuilding of all kinds will be needed when the opportunity of peace arrives. Or think of Rwanda, 19 years on from the genocide, and how it is still recovering and building a peaceful society. Here’s a brief video of (some of) my thoughts about it.