![Cards with signifiers of World Expo seen in Shanghai](../../../images/2010expo/attachement/jpg/site1/20100121/0013729e45180cc2894341.jpg)
Photo taken on Jan. 20, 2010, shows a man attending a bridge competition at the Jinshan District in Shanghai, China. Cards with signifiers of the 2010 Shanghai World Expo were used in the competition. [Xinhua]
![Cards with signifiers of World Expo seen in Shanghai](../../../images/2010expo/attachement/jpg/site1/20100121/0013729e45180cc2895442.jpg)
An employee demonstrates some playing cards with promotion words and images for the 2010 Shanghai World Expo at the Jinshan District in Shanghai, China, Jan. 20. [Xinhua]