Here are more little people, this time sweating out a hot summer in giant bricks of ice. Like the aurochs from ‘Beasts of the Southern Wild’, they gradually melt free of their frozen prisons, to gallivant across the world and teach us all a thing or two about the most stylish way to wear swimming trunks. Or perhaps this is a love story, not a southern-gothic fable, wherein two permafrost golems eyes each other through the glass walls of their cages, and by the heat of their endless ardour, over the extremity of centuries, finally burned their way free, to …