On 7-8 July, the Heads of States and Governments of the world’s leading 20 industrialised and emerging economies are meeting in Hamburg, Germany. The G20 summit, a large-scale event attracting more than 10,000 delegates and journalists, is set to boost Hamburg’s global profile as an international events destination.   Michael Otremba, managing director of the Hamburg Convention Bureau, explained: “Events such as the G20 summit provide Hamburg...