A staff (2nd R) introduces to visitors a model of conceptual design "B11" for the National Stadium of China jointly made by the Swiss company Herzog & De Meuron and the China Architecture Design Institute, at the Beijing International Convention Center here March 26, 2003. Thirteen designs for the National Stadium, the main stadium for the 2008 Olympic Games, began to show to the public Wednesday and visitors are welcome to vote for their favorite ones. The designs of B08, B11 and B12 have been selected for entry into the final competition. (Xinhua Photo

    A visitor looks at a picture of conceptual design "B13" for the National Stadium of China made by two Japanese architectural companies, at the Beijing International Convention Center here March 26, 2003. (Xinhua Photo)