The concept is pretty simple, finding beauty in the disgusting, in Mould
The mould in question is not just mould, but also it's cousin, rust
The mould and rust in question is on old trains stored at a country siding
It's ironic perhaps that it's the sun, the enemy of mould which is causing this to shine to take on another life.
It is all a reminder that what is often seen as bad is often quite beautiful