The sound of pattering hooves is punctuated by a pig-like rutting noise — but deeper and more mysterious — and we see a mesmerizing sight: a herd of reindeer spinning in circles, their instinct to run so ingrained that they continue, even when penned. Eva Weber traveled 250 miles above the polar circle to the village of Karigasniemi in Utsjoki, Finland, where she spent three days braving freezing temperatures to capture this small slice of herding life.