Effort to save Leonardo Da Vinci's self-portrait

The project to restore Leonardo da Vinci's only self-portrait picture is about to reach a crucial stage, thanks to high-tech technology.

Leonardo da Vinci's only self-portrait still exists today (Photo: Wiki Commons)

Experts are about to reach the final decision in restoring the fading sketch of Italian genius in the 15th century.

The self-portrait, thought to be over 400 years old, is still stored inside a security deposit box at the Turin Royal Library (USA), but this does not prevent the red chalk lines on paper. pale day by day.

Now Italian and Polish scientists are using complex recovery techniques to measure the amount of reflected and absorbed light on the picture, according to The Huffington Post.

Joanna Lojewska of the Jagiellonian University (Poland) said this phenomenon is called 'yellowing ', causing serious damage and adversely affecting the quality of the painting.