Longyearbyen

With its ghost towns and armed men taking on a vast wilderness, one could almost mistake the Svalbard archipelago for the Wild West.

But a tiny Arctic police force on these islands halfway between Norway and the North Pole keeps outlaws - and polar bear botherers - at bay.

Five decades since it heralded a transformation in the way people obtained and used cash, the world's first ATM was turned into gold for celebrations of its fiftieth anniversary.