Senior conservator Stephanie Vasiliou prepares the Rosetta Stone before it is moved to a special exhibition in the British Museum to celebrate 200 years since it helped to decode hieroglyphs. PA
Senior conservator Stephanie Vasiliou prepares the Rosetta Stone before it is moved to a special exhibition in the British Museum to celebrate 200 years since it helped to decode hieroglyphs. PA

British Museum moves Rosetta Stone to new exhibition for first time in 18 years