Mona Lisa by Leonardo da Vinci, public domain.
The Mona Lisa, one of the most iconic paintings in the world, has been the subject of fascination for centuries. Her enigmatic smile has been the focus of numerous studies, analyses, and reinterpretations. Recently, a cutting-edge, high-definition close-up of the painting has provided an unprecedented 18x magnification, revealing intricate details that were previously invisible to the naked eye. 18closeup mona hd upd
: Tools that use neural networks to "HD" update older, lower-resolution scans (though these are not "scientifically" accurate). Mona Lisa by Leonardo da Vinci, public domain