Comment on Banksy works cost public almost £150kparentComments−tptacek1moThey can't; they're obligated by law to preserve the original structure the graffiti is painted on.−cassianoleal1moFrom TFA:As a final option, the affected stonework may have to be removed and replaced.So it's definitely an option.
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They can't; they're obligated by law to preserve the original structure the graffiti is painted on.
From TFA:
So it's definitely an option.