Sarah Outen, 29, began her self-propelled round-the-world voyage in 2011 in London. The final leg would make history.
You may not have heard of it and it may be cold, dark and desolate for much of the year, but the islands of Svalbard in the Norwegian Arctic are flourishing.
As more and more countries eye the opportunities being revealed by melting polar ice, businesses, tourists, and international politicians are all beating a path to the northernmost inhabited place on earth.
The BBC’s Paul Henley followed them, as Svalbard emerges from the long polar night.