This undated handout photo received on October 30, 2015 by the Pew Charitable Trusts shows a whale surfacing in the Antarctic. Creation of a vast marine sanctuary in Antarctica's "Last Ocean" inched closer at international talks on October 30, 2015 as China for the first time backed the proposal, officials said, with Russia understood to be the last holdout. The Ross Sea is known as the "Last Ocean" because it is considered the last intact marine ecosystem on Earth, mostly untouched by pollution, overfishing and invasive species.
