Send in the Bugs. The Michelangelos Need Cleaning. – The New York Times

When it came time to clean the Michelangelos, Vincenti pushed for a bacterial assist.

“I said, ‘OK,” said D’Agostino. “‘But let’s do a test first.’”

The bacteria passed the exam and did the job. On Monday, tourists admired the downward pensive glance of Michelangelo’s bearded Dusk, the rising of his groggy Dawn and Lorenzo’s tomb, now rid of the remnants of Alessandro.

“It’s very strange, especially in this time of Covid,” Marika Tapuska, a Slovakian visiting Florence with her family said when she learned that bacteria had cleaned up the sarcophagus. “But if it works, why not?”