Blue tangs, symbolizing Japan's national soccer team, and flame angelfishes（天使魚）, symbolizing Denmark's national soccer team, swim near a transparent "soccer" ball containing fish food during an event at Hakkeijima Sea Paradise aquarium in Yokohama, south of Tokyo, May 23, 2010. The two teams are part of Group E in the upcoming 2010 FIFA Soccer World Cup. The special event started on Thursday ahead of the 2010 FIFA Soccer World Cup. [Photo/Xinhuanet.com]