Beijing, January 14 (Youth.cn) - Large oyster aquiculture area near Maowei Sea of Qinzhou City appears lively and animated. These years, based on its natural harbor geographical advantage, the local authority has made great efforts to build marine ranching and turned the sea to a blue granary. Until now, 128,000 mu of oyster aquiculture area has built with total output of 330,000 tons and total output value of 3.93 billion yuan. 160 million spats are produced annually. This marine ranching is one of the largest aquiculture base in China. Photo/VCG