2010 world expo will be held in Shanghai, China, I would like to sincerely on obtaining organizer. The 2010 Shanghai world expo will usher China more than 200 countries and international organizations, the exhibitors and visitors estimated 7,000 million person-time, scale, participate in the history of the expo, is seen. This implies the expo will be around the theme of the congress, "better city, better life", trying to explore. Organisers know until 2010 world population will be living in cities 55%, the theme of city life, the world is interested in developing countries, it is the people in developed countries, they are very concerned about city life.