Leonardo da Vinci died 500 years ago today. Find out what he had achieved by your age: https://t.co/D3IAzPgEHB https://t.co/cFqInlud8g

Leonardo da Vinci died 500 years ago today. Find out what he had achieved by your age: https://t.co/D3IAzPgEHB https://t.co/cFqInlud8g (via Twitter http://twitter.com/CNN/status/1123876106791211009)