Actor and Antarctic ambassador Javier Bardem and submarine pilot John Hocevar coming up the the surface after exploring the Antarctic seafloor on around 270 meters depth in Charlotte Bay off the Gerlache Strait. Greenpeace is on a three-month expedition to the Antarctic to carry out scientific research, including seafloor submarine dives and sampling for plastic pollution, to highlight the urgent need for the creation of a 1.8 million square kilometre Antarctic Ocean Sanctuary to safeguard species like whales and penguins.