Jacopo da Bassano
The Adoration of the Shepherds

1582
Church of San Giorgio Maggiore, Venice, Italy

In spite of post-Tridentine strictures, artists continued to picture the child as naked and glowing. In this case, Bassano uses extreme chiaroscuro to emphasize that the even as a child Jesus is the only source of true light.

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More of the Nativity

Photographed at the church by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.