On Dec. 19th, the builders of Wujiagang Bridge attended this activity, hosted in the wharf of Dianjun Chinese sturgeon Reserve. The builders building the Wujiagang Bridge attended the releasing activity to know the importance of protecting the rare aquatic organisms in the Yangtze River. It is learned that a total number of more than 300 Chinese sturgeon with a length of 50cm , together with more than 8.2 million fries of silver carp, bighead carp, grass carp and bream have been released, which is the largest in this segment so far. (Reporter: Huang Xiang; Correspondent and Photographer: Zhang Yangyang )