Heatstroke for the Siberian Reindeer

In the Yamal peninsula in the northwest of Siberia the Nenets live to the rhythm of seasons that are now out of order Faced with increasingly mild winters and an unstable ice cap these nomadic reindeer herders are forced to delay their transhumance caught between a food that is drying up and the risk of drowning in the Ob River Elsewhere in the Arctic signs of global warming are mounting