The screen at the top of the Saudi Arabia Pavilion at the Saudi Arabia Pavilion in the Shanghai Expo Park shows lines celebrating the 20th anniversary of diplomatic ties between China and Saudi Arabia on July 21, 2010. China and Saudi Arabia celebrated their 20th anniversary of diplomatic ties at the Saudi Arabia Pavilion on Wednesday. [Xinhua]

Artists from Saudi Arabia and China give a performance at the Saudi Arabia Pavilion in the Shanghai Expo Park on July 21, 2010. China and Saudi Arabia celebrated their 20th anniversary of diplomatic ties at the Saudi Arabia Pavilion on Wednesday. [Xinhua]