This photograph is by Marie-Lan Nguyen, who has kindly released it into the public domain. It is free for your use.
Photo by by Marie-Lan Nguyen, released into the Public Domain
Marble statue of the prophet
This marble sculpture of Habbakuk, also known as Zuccone, was carved by Donatello sometime between 1423 and 1435, and was placed in the bell tower of the Duomo of Florence.