This is beautiful design work that expresses the organic nature of our world. My question is how do you get this installed in your home when the bureaucrats who enforce the ill conceived codes say this is not according to code as a 4" ball will be able to pass through it. I hope this was not a challenge for it deserves its place.
the lower one is the original bridge from 300 years ago. It was superceded by the upper (wider) one a hundred years later. The newer bridge also cuts out a rather tricky incline on the approaches on either side of the gorge. The bottom bridge is the abandoned one