rescuers, whales , pack ice. 救援人員， 鯨魚 ， 浮冰。

New film reveals how a mixed band of rescuers saved 3 whales trapped beneath pack ice | Mail Online
http://www.dailymail.co.uk/news/article-2114183/New-film-reveals-mixed-band-rescuers-saved-3-whales-trapped-beneath-pack-ice.html