Chinanews, Beijing, Aug. 14 – Ms. Zhang and her folks in Tianjin are fond of seafood. When seafood becomes abundant in summer and autumn, Zhang will buy some for the family. But in recent years, she has found the quality of sea food has deteriorated.Zhang said that she is nostalgic for the good old days when the quality of seafood was excellent. Today’s Bohai Sea has become one of the worst polluted areas in the country. In Beitang, Tianjin’s famous fishing village, our reporter found few boats. When the reporter interviewed two young fishermen, and they admitted that it had become harder to harvest seafood this year because of heavy pollution.Some Tianjin citizens worry that they will not be able to any sea food in the foreseeable future. From the late 1980s, the variety of marine products has on the decline.