Using gentle, circular motions, an art restorer gently cleans the painting of a half-nude woman that was censored more than 300 years ago by a prudish descendant of Michelangelo. The piece by Artemisia Gentileschi, the Italian Baroque's trailblazing woman artist, is undergoing a months-long restoration to rediscover her original vision, hidden for centuries under a thick layer of strategically placed paint.