RRS Sir David Attenborough and A23a Iceberg

RRS Sir David Attenborough samples A23a iceberg during climate science mission.

ANTARCTICA: British Antarctic Survey. Scientists aboard the RRS Sir David Attenborough collected samples of seawater around the A23a mega iceberg, the largest iceberg in the world. New video footage shows the enormous iceberg, some 3,900km2 and 400m tall, stretching out into the distance beyond the research vessel.