Stock Photo - Huge tabular icebergs and smaller ice floes in the Weddell Sea, on the eastern side of the Antarctic Peninsula MORE INFO The Weddell Sea is often blocked to ship navigation due to ice conditions In November 2009 the Captain Khlebnikov icebreaker was stuck in just such conditions for several days before breaking through to clear water near Snow Hill Island in the Weddell Sea

Stock Photo: Huge tabular icebergs and smaller ice floes in the Weddell Sea, on the eastern side of the Antarctic Peninsula  MORE INFO The Weddell Sea is often blocked to.