Italian writer Elisa Barbari took a photo of the iconic statue in Bologna, Italy, of the Roman god Neptune. As with many statues of figures of Roman mythology, the god is portrayed nude. Barbari posted the photo to her Facebook page.
Then the photo was banned for violating Facebook's nudity policy, The Telegraph reports.
Barbari was stunned by the ban, saying the statue hasn't been covered since local graduation ceremonies in the 1950s.
How can a work of art, our very own statue of Neptune, be the object of censorship?
Barbari received a message from Facebook saying the image broke the social media giant's advertising rules.
“It presents an image with content that is explicitly sexual and which shows to an excessive degree the body, concentrating unnecessarily on body parts," the statement read.
Let's look at the rulebook
Facebook's community standards specifically allows photos of nude art.
"We also allow photographs of paintings, sculptures, and other art that depict nude figures," the standards read.
However, Facebook says its standards are "sometimes... more blunt that we would like and restrict content shared for legitimate purposes."
In protest, Barbari posted a photo with the caption, "Yes Neptune, no censorship."
Facebook has been criticized for censoring non-sexual nude photos. In September, it un-banned this famous photo of a Vietnamese girl running from a bombed village during the Vietnam War.
The Neptune statue, known as the Fontana del Nettuno (Fountain of Neptune), was created in the 1560s by Flemish sculptor Jean de Boulogne, The Telegraph reports.
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