A young boy views a Pacu fish at the Beijing Aquarium on May 30, 2012. The aquarium is the largest in China and shaped like a huge conch shell. State media named it a “Beijing civilized Tourist Scenic Spot” and it houses more than 1,000 marine species and freshwater fish.. AFP PHOTO/Mark RALSTON (Photo credit should read MARK RALSTON/AFP/GettyImages)
