Video shows Titanic missing large section of railing

A new expedition has revealed the effects of the passage of time on the wreck of the Titanic.

A large section of railing on the bow has fallen to the sea floor, as a result of erosion by salt water and microbes.

The loss of the railing - immortalised in the 1997 film starring Leonardo DiCaprio and Kate Winslet - was discovered during a series of dives by underwater robots this summer.

The ship sank in April 1912 after hitting an iceberg, resulting in the loss of 1,500 lives.

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