Beijing Guoan's Darko Matic (L) challenges Barcelona's Marti Riverola Bataller during their friendly soccer match at the National Stadium, also known as the Bird's Nest, in Beijing August 8, 2010. [Photo/Agencies]

Beijing Guoan's goalkeeper Zhang Sipeng walks to the ball after Barcelona's Zlatan Ibrahimovic scored a goal during their friendly soccer match at the National Stadium, also known as the Bird's Nest, in Beijing, August 8, 2010. [Photo/Agencies]