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Rather too much time is spent repeating staged close-ups of a left hand sketching in ink or applying paint, or else executing inscrutable mirror-writing on parchment — Leonardo’s secretive signature method — coupled with explanatory voice-over.

The collection features his famous mirror-writing as well as diagrams, drawings and texts covering a range of topics in art and science.

Later this year, The British Library in London is set to showcase a number of Leonardo da Vinci's most important notebooks, all written in his famous “mirror-writing.”

To commemorate the anniversary, the British Library in London is set to showcase a number of Leonardo’s most important notebooks, all written in his famous “mirror-writing.”

The British Library in London is set to showcase a number of Leonardo da Vinci's most important notebooks, all written in his famous “mirror-writing.”