Every year at the turn of spring and summer, it is the season when Kinmen’s blue tears burst out, and the sea surface is dyed a piece of blue fluorescent light, just like the fantasy scene in the movie "Avatar". "Blue tears" refers to the phenomenon that noctiluca (vortex dinoflagellates) emit light blue fluorescent light at night after being disturbed by ocean waves and natural wind. It's just that to see the beautiful and dreamy blue tears requires skill and luck! First of all, between low tide and high tide, look for a place without light pollution, as well as an environment with clear water quality, calm seas, low flow velocity and irregular terrain, because the above elements will affect the visibility of blue tears, so you need luck to see them The most beautiful picture.