Believe it or not, the french found Mona Lisa's eyebrows!
A french engineer, Pascal Cotte, used a 2.4million pixel camera to capture images of the famous painting in the Louvre. He found that Leonardo Da Vinci did draw the eyebrows but they were later erased.
Using the same technology, he discovered that Da Vinci changed the positions of two fingers on the painting. The original Mona Lisa had a wider face too!
Read this article on CNN.