translation.en: Why is it that killer whales have returned to researchers lost in thick fog and led them miles until the fog parted and the researchers' home was right there on the shoreline?
translation.zh: 为什么虎鲸在大雾天会到海上研究员那里 指引他们一直到数英里以外浓雾散去 到达那些研究员的家所在的海岸边？