The world's largest iceberg, A23a, is drifting towards the wildlife haven of South Georgia, where it may cause problems for the resident penguins

Credit: UK MOD Crown copyright/Cover Images A group of British scientists have photographed and filmed the world’s largest iceberg, A23a, after it began to move again after almost four decades stuck to the ocean floor.

The mega-iceberg poses a significant threat to South Georgia Island a remote wildlife haven. The world's largest iceberg, A23a, is drifting toward South Georgia Island, a remote and ecologically vital wildlife haven.