他将它比作捕猎难以捉模的大象：“几年来，我们一直听到大象的声音，发现它们的踪迹，目睹被它它们伐倒的树木，但我们一直未能抓拍到一张照片。”

He compared it to a hunt for elusive elephants: "for years we've been hearing the elephants, finding the tracks, seeing the trees knocked down by them, but we've never been able to snap a picture."

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