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Read more about Why Louvre's Mona Lisa keeps a smile: Paris' cooling system
Why Louvre's Mona Lisa keeps a smile: Paris' cooling system

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NewsPlexus Media in Climate & Environment Aug 01, 2022
The Mona Lisa may maintain her famously enigmatic smile because she benefits from one of Paris’ best-kept secrets.
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Updated: June 25, 2025 Ver: ac9d4aa2