Chinese and Polish officials hold a groundbreaking ceremony to build up the Poland Pavilion for the Shanghai 2010 World Expo in Shanghai, east China, on August 4, 2009. The Shanghai World Expo 2010 is an international exposition that will take place from May 1 to October 31 next year and cover a surface of more than 5 square km. in Shanghai, under its main theme of "Better City, Better Life". [Xinhua]

Chinese and Polish officials hold a groundbreaking ceremony to build up the Poland Pavilion for the Shanghai 2010 World Expo in Shanghai, east China, on August 4, 2009. [Xinhua]