Over the last 30 years, the Italian government has been cleaning and restoring some of the most famous frescoes of the Renaissance. “Apart from carrying out the essential work of cleaning, repairing structural damage, and protecting the frescoes from damp, restorers have also used the latest technology to try to determine the exact nature of the original painting; and have used that analysis to offer a definitive image of the work for future generations.” That’s where the controversy begins. – The Independent (UK)