Niklas Blind lights a fire in his lavvu, near Jukkasjärvi

Niklas Blind, a Sámi reindeer herder, carries a trestle used to practice catching reindeers with a lasso.

Niklas Blind, a Sámi reindeer herder and guide during the winter tourist season, near Jukkasjärvi

The low-angled morning light of the last few days before the polar night

An intern feeds reindeer in an enclosure in Nutti Sami Siida, near Kiruna

In the workshop of Sámi craftsman Fredrik Prost, in Viikusjärvi.

Fredrik Prost, Sámi craftsman, artist and author, is working on a pair of reindeer antler earrings at his home in Viikusjärvi.

Fredrik Prost shows an antique knife, made by his blind great-uncle.

Fredrik Prost, Sámi craftsman, artist and author, is working on a pair of reindeer antler earrings at his home in Viikusjärvi.

Northern Lights at Nutti Sami Siida, near Kiruna

A Sámi drum

On the heights above the town of Gällivare, surrounded by mines

Helene Lindmark, Sámi noaidi, guardian of wisdom, on the heights of Gällivare

Details of Sámi art and crafts at Helene Lindmark's father's house in Gällivare

The banks of Vassaraälven river in Gällivare

The mine bordering Kiruna. It's the largest iron mine in the world.

Anna Sarri, a Sámi guide and descendant of Sámi guides from the village of Nikkaluokta, at the foot of the Kebnekaise, the highest point in Sweden

Photographs of Anna Sarri's father, Henrik, a Sámi guide, son of a reindeer herder in Nikkaluokta

Anna Sarri shows the notebook of traditional reindeer ear markings to identify their owner.

Reindeer antlers hanging on a house in Jukkasjärvi.

Mine heaps near Kiruna

Northern lights near Kiruna

Coffee break and campfire around Kiruna

The iron mine overlooking Kiruna, seen from the heights a few kilometers from the city

The tundra around Kiruna.