GENERAL KNOWLEDGE

Detailed explanation-1: -Leonardo da Vinci began painting the Mona Lisa about 1503, and it was in his studio when he died in 1519. He likely worked on it intermittently over several years, adding multiple layers of thin oil glazes at different times.

Detailed explanation-2: -Da Vinci began working on the Mona Lisa in 1503 and continued refining it until fourteen years later in 1517. He paused work on the painting, likely due to arm injuries, but the artwork was never returned because of Da Vinci’s premature death in 1519.