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“Life is on the move, today as in the past,” journalist Sonia Shah writes in her book
The Next Great Migration: The Beauty and Terror of Life on the Move. “For centuries, we’ve suppressed the fact of the migration instinct, demonizing it as a harbinger of terror. We’ve constructed a story about our past, our bodies, and the natural world in which migration is the anomaly. It’s an illusion. And once it falls, the entire world shifts.”