An underwater “icicle of death” which sinks to the seabed destroying everything it comes into contact with has been caught on camera for the first time.

The sinking brine is so cold that it causes the seawater to freeze around it.

BBC film crews recorded the brinicle for the first time ever as it sunk to the bottom of the sea in Antarctica.

When it hits the seabed, a web of ice spreads killing sea urchins and starfish.

The remarkable underwater footage was filmed for Frozen Planet on BBC One using timelapse technology.

The “icicle of death” grew so rapidly towards the seabed that teams could see it advancing before their eyes.

When the seawater freezes as it comes into contact with the brinicle. It is a lot more sponge like than normal ice.

They are usually found in the Antarctic when saline water is introduced to the ocean.

据英国《每日邮报》11月24日报道，英国BBC的一位摄影师首次拍到了一条沉入海底的“死亡冰柱”，它能摧毁一切与它接近的生物。

这股高浓度的盐水温度极低，使得围绕在它周围的海水能冻结成冰。

随着它沉入南极海洋的底部，BBC的节目摄影组有史以来第一次拍到这种冰柱。

当冰柱接触到海底时，便会逐渐形成一张“冰网”，冻结这片海底的所有海胆和海星。

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