The colossal iceberg A23a, towering at 40 meters and spanning an area greater than the Australian Capital Territory, is now advancing towards South Georgia Island, a remote British territory near Antarctica.

The "megaberg" - which is twice the size of Greater London and 130 feet tall - is on a crash course with the remote island of South Georgia, and could make it hard for the millions of penguins and seals there to feed.

The world’s largest iceberg, A23a, is heading north from Antarctica toward South Georgia, a British Overseas Territory in the southern Atlantic Ocean. In the past, giant icebergs grounding near South Georgia have caused devastating consequences,