Leonardo da Vinci's Mona Lisa does not have eyebrows.

The statement is true as Leonardo da Vinci's Mona Lisa does not have visible eyebrows. Leonardo da Vinci, known for his attention to detail, purposefully left out the eyebrows in his masterpiece. This artistic choice is believed to have been intentional, potentially to create a sense of ambiguity or to enhance the enigmatic expression on Mona Lisa's face. The lack of eyebrows contributes to the painting's mysterious allure and has been a subject of fascination and discussion among art enthusiasts for centuries.