The little-known secret of Leonardo da Vinci's omnipotent genius
team YouTube19:30:02 26/06/2020
Leonardo - the first person to explain why the sky is blue. In his book On Painting, he wrote: The blue color of the sky is caused by a thick layer of illuminated air particles in the middle of the earth and black above. Leonardo da Vinci - a genius, a great Italian inventor. Some masterpieces
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