This version of the image has been slightly cropped, sharpened, and the glare reduced a bit.
<a href="//commons.wikimedia.org/wiki/User:Jastrow" title="User:Jastrow">Marie-Lan Nguyen</a>
CC BY 2.5
<a href="//commons.wikimedia.org/wiki/File:Ploughman_Louvre_F77.jpg" title="File:Ploughman Louvre F77.jpg">File:Ploughman_Louvre_F77.jpg</a>