National Tennis Stadium

Spectators hold umbrellas to shield from the sun as they watch a match between Serena Williams of the U.S. and Francesca Schiavone of Italy at the China Open tennis tournament at the National Tennis Stadium in Beijing, China Tuesday, Oct. 1, 2013.

Andy Wong/AP

Spectators hold umbrellas to shield from the sun as they watch a match between Serena Williams of the US and Francesca Schiavone of Italy at the China Open tennis tournament at the National Tennis Stadium in Beijing, China. Read more