Time here, like light, is a passing animal. Time hovers above the tundra like the rough-legged hawk, or collapses altogether like a bird keeled over with a heart attack, leaving the stillness we call death. In the thin film of moisture that coats a bit of moss on a tundra stone, you can find, with a strong magnifying glass, a world of movement buried within the larger suspended world: ageless pinpoints of life called water bears migrate over the wet plains and canyons of jade-green vegetation. But even here time is on the verge of collapse. The moisture freezes in winter. Or a summer wind may
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