A clown dressed-up as a bullfighter runs away from a cart during a performance at the Madrid Case Pavilion of Urban Best Practices Area (UBPA) at the World Expo Park in Shanghai, east China, on June 10, 2010. [Xinhua]

A tourist plays the role of a bullfighter while taking part in a performance at the Madrid Case Pavilion of Urban Best Practices Area (UBPA) at the World Expo Park in Shanghai, east China, on June 10, 2010. [Xinhua]