https://www.alamy.com/stock-photo-paintings-hanging-inside-an-empty-gallery-in-the-louvre-museum-paris-21962060.html https://www.alamy.com/stock-photo-paintings

https://www.alamy.com/stock-photo-paintings-hanging-inside-an-empty-gallery-in-the-louvre-museum-paris-21962060.html https://www.alamy.com/stock-photo-paintings-hanging-inside-a... Here's a random photo of Louvre, place with both the art nerds and money to hang things "properly". You can clearly see they tilt forward on the cables, maybe not as much as OP but still.