There's some stunning photography in this final video from the Arctic Sunrise's arctic expedition. Ice sheets, icebergs, glaciers and (yes) polar bears all feature in a kind of greatest hits package from Greenland and beyond. View it on Youtube for a larger, more panoramic version.
But the tone is sombre. As campaigner Frida Bengtsson explains in her narration, the arctic could be free of summer sea ice by 2030. It's not quite a last chance to see, but we may not be far off.