Polar ship Sir David Attenborough breaks through Antarctic iceThis video can not be playedTo play this video you need to enable JavaScript in your browser.Polar ship Sir David Attenborough breaks through Antarctic iceCloseThe Polar Ice Class 5 ship was able to break through two-metre thick sea-ice during trials.Read more: Attenborough ship proves its polar credentialsSubsectionScience & EnvironmentPublished31 March 2022Shareclose panelShare pageCopy linkAbout sharingRead description