Mona Lisa ist ein weltberühmtes Ölgemälde von Leonardo da Vinci aus der Hochphase der .. Donald Sassoon: Mona Lisa, the history of the world's most famous painting. Harper Collins, London , ISBN Donald Sassoon. Leonardo begins painting the Mona Lisa, which he will work on for four years in Paris with a float showing Mona Lisa taking off in an airplane for points unknown. December: Mona Lisa is displayed at the Uffizi, then is sent on a tour of the December Mona Lisa returns to Paris in a special compartment of the. It took Leonardo da Vinci a total of 12 years to paint the lips of the Mona Lisa. But there is much debate about the length of time that it actually took.