In this May 10, 2016 photo, a fisherman walks on the shore of the fishing village Quetalmahue in Chile’s Chiloe island, Chile, during the country’s worst ever “red tide” environmental disaster. This string of islands off Chile’s coast was once best known for its dramatic landscapes, rich wildlife, quaint stilt homes and colonial-era churches. But today, it is getting attention for something far less picturesque, a toxic algal bloom that is threatening its marine life and the livelihoods of the fishermen who depend on it. (AP Photo/Esteban Felix)

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