A massive Antarctic iceberg, known as A81, covers around 1,340 square kilometres — nearly the size of Greater London. The iceberg broke away from Antarctica’s Brunt Ice Shelf in January 2023 after a major crack, known as Chasm 1, extended through the ice. The giant ice formation highlights the dramatic changes unfolding across Antarctica’s frozen landscape.

A81 covers1,340 sq km, about size of greater London

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