World's largest iceberg ends its ocean odyssey: Huge TRILLION tonne megaberg that was once more than twice the size of Greater London breaks into chunks just months shy of its 40th birthday

The world's largest iceberg, dubbed 'megaberg,' which was once twice the size of Greater London, has broken into chunks after a 39-year journey. The trillion-tonne ice mass is now disintegrating in the ocean, marking the end of its long voyage.