Aquaculture company owner Zheng Jinliang and his grandaughter have been devoting in cultivating endangered fish species. Over the past 18 years, they released 160 million fish fry into China's longest river of the Yangtze.
Aquaculture company owner Zheng Jinliang and his grandaughter have been devoting in cultivating endangered fish species. Over the past 18 years, they released 160 million fish fry into China's longest river of the Yangtze.