World Expo 2010 will be held in Shanghai. It will last from May 1st to October 31st, 2010. The Expo site covers a total area of 5.28 km2. It spans  both sides of the Huangpu River, with 3.93 km2in Pudong and 1.35 km2in Puxi. There are five functional zones marked A, B, C, D and E. Each of them has different functions. Zone A will host the national pavilions  of Asian countries except southeast Asian ones. Zone B will be home to the China Pavilion  and Oceania   countries, Pavilions for International Organizations, Theme Pavilions , Expo Centre, and Performance Centre etc. Zone C will host the national pavilions of European, American and African countries. A large public amusement park will be built at the entrance of this zone. Zone D is home to Corporate Pavilions , the land is one of the original places of modern China's national industry. So some of the old industrial buildings will be kept and renovated  into Expo pavilions. Zone E will host stand-alone  Corporate Pavilions, Urban Civilization Pavilion  , and Urban Best Practices Area. If you visit Zone D,   _  .
you can visit Urban Best Practices Area you can know some information of American national industry you can find some Corporate Pavilions you can have the chance to get to know some Oceania countries.