Photo taken on Jan. 18, 2010 shows the newly-completed suspending sightseeing corridor on the overstorey of the China Pavilion of the 2010 Shanghai World Expo, in Shanghai, east China. The project of indoor decoration and display arrangement in the World Expo's China Pavilion has started, as the 100-days countdown to the opening of Shanghai World Expo is to be greeted on Jan. 21. [Xinhua]