Study of Leonardo's landscape finds his 2nd thoughts(1/4)

The landscape drawing for Santa Maria della Neve, attributed to Leonardo da Vinci on Aug. 5, 1473, is under scientific analyses in Florence, Italy. Aided by sophisticated, non-invasive instruments, such as infrared light, the experts on Thursday scrutinized the front of the drawing. The first-ever scientific study of a Leonardo drawing done in his youth shows the artist added details to earlier sketch. (Photo/Agencies)

The landscape drawing for Santa Maria della Neve, attributed to Leonardo da Vinci on Aug. 5, 1473, is under scientific analyses in Florence, Italy. Aided by sophisticated, non-invasive instruments, such as infrared light, the experts on Thursday scrutinized the front of the drawing. The first-ever scientific study of a Leonardo drawing done in his youth shows the artist added details to earlier sketch. (Photo/Agencies)