I managed to found extra-information. So, this bridge was discovered in 1862, in Lebanon indeed. It was found in a tomb (one of the most ancient of the Necropolis), but wasn't attached to any skeleton.
For those who can read French, here is a dentistery thesis on antique dental prosthesis: http://www.bium.univ-paris5.fr/histmed/asclepiades/pdf/schneider.pdf

Oh! Lovely! I love the special effects.

Like Seekshelter, I would also go for HP Lovecraft!

I suspect this is a female rabbit, trying to defend her youngs nearby. It's pretty typical: small animals like this, with no defense, wouldn't chase a dangerous animal, much bigger than them, if there weren't youngsters to protect. It's all about hormones!