FunWhy is flash banned in museums?

Why is flash banned in museums?

The coloring pigments used in the past to paint a picture were chemical compounds, mostly organic, capable of absorbing light radiation . This can lead to photochemical reactions that denature them and alter their original conditions. In some museums that were lit with discharge lamps emitting violet and ultraviolet radiation, irreversible damage was observed in certain works of art. The flashes have the same dire consequences.

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