Protesters hold a placard during a protest calling for Taiwanese largest industrial group Formosa Plastics...
Protesters hold a placard during a protest calling for Taiwanese largest industrial group Formosa Plastics to investigate and voluntarily disclose its own findings on strange fish deaths in Vietnam, in Taipei, Taiwan June 17, 2016. The sign (L) reads: "Poisonous fish". REUTERS/Tyrone Siu