be stable and a part of sweden where the man who has been the biggest protester is a champion dog sleddert a business you would think is a huge market, but it's a really fascinating way of how urban planners have thought about what it takes to move an entire town in sweden totally dependent on this mine. jonathan: they are definitely good sports. >> the town, the northernmost city in sweden, the gateway to the swedish wild north. this is mostly unpopulated country. account of 18,000 that exists because of the world's largest underground iron ore mine. that mine is causing the town to sink. if the town wants to live, they have to move. there is no town without the mine. jonathan: the town is there because the iron ore has brought in this small economy for this town, and now because the miners are pushing further to get to the resource, it is changing the topography of the land and now they are having to move. josh: exactly it opened in 1890. it was a camp that grew into a town. mostly it is a mining town. that people have a high standard to live in because of the mine. if they want to stay