The 2010 Shanghai World Expo, taking place in China’s most energetic city, is a showcase of architecture, sustainable building and environmentally conscious living. In over 6 months it serves as an introduction to the culture, business and people from over 190 countries and regions of the world. YTONG, the world leader in Autoclaved Aerated Concrete (AAC), is contributing to the success of the Expo by literally supporting the Expo with its world-leading products used in the walls of several of the showcase pavilions.