Writing on the gallery's website, Von Hausswolff said the ashes had remained in a jar until two years ago, when he decided to mix them with water and create a painting as a reminder of the people tortured and killed in the camp.

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"The project will also create an estimated 2, 500 full time jobs, and is a reminder of the massive contribution to economic growth that the government's nationwide roll-out of broadband continues to make, " he added.

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