After my trip to Italy (Venice) I was inspired by the work of Leonardo Da Vinci. This is the first object i made after my homecoming. The bridge is made of logs and is selfsupporting, This means there are no other attributes needed to support or build the bridge.
You can buy the small size (a 100% scale) model
here
(This is 200%)
You can buy the medium size (a 150% scale) model
here
(This is 200%)