|'WTF', thought the Little Egret|
The canal is bordered by farm fields, and the farmers have been covering the fields in fertilizer and pesticides lately. I'm guessing the runoff from the fields, which drains directly into the canal, is what's killing off the fish. Koreans were looking at me like I was strange for taking pictures of the dead fish. I, in turn, thought they were strange for not being alarmed by the thousands of dead fish. Reminds me of Wump World.