Blue fluorescence appears in seawater of Dalian (2/2)

Blue fluorescence is seen in the seawater in Dalian, northeast China's Liaoning province, April 28, 2014. Large amount of marine microbe falgellates have been observed in the sea near Dalian City for days, which produce light in salt water when stimulated by enviroment, according to scientist from Dalian Ocean University. (Xinhua/Zhang Chunlei)