The perforated aluminium guard rail panels form an artist impression of the ever waving reed fringes surrounding it.
These panels will form a layer of oxide over time, protecting the material from decomposing.
More info: https://en.wikipedia.org/wiki/Pieter_Smitbrug
Bicycledutch’ youtube channel: https://youtu.be/LdimrFcLUhk
![Bridge](https://perfox.com/wp-content/uploads/2021/12/Bridge-1-van-1-480x480.jpg)