His research files include stacks of photographs he and his students have taken of fish species living in the middle and upper stretches of these rivers. Some of these are the usual photos of healthy fish, but others pain the eye to see.
方力行的研究檔案中，一疊疊他和學生到河川中上游追蹤魚類的照片，有不少魚被電死的影像，慘不忍睹。