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Fireflies glowing above a stream, Okayama Prefecture, Japan
© tdub303/Getty Images
The poetry of vanishing light
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The poetry of vanishing light
© tdub303/Getty Images
In Okayama Prefecture, when humid air settles over a stream, hotaru—Japan's fireflies—begin signaling. On warm, windless evenings, they often start glowing about two hours after sunset under favorable conditions, inviting silence beside water.
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