Rear subframe

The rear subframe was completely rotten away while the car stood outside for years. There were holes in critical spots. People online advised us not to weld, since this is dangerous!
As a result, I end up ordering a new one from minispares.com together with some other parts.
The subframe was painted, and I used a bitumen undercoating for the inner side of the frame, so as not to let it rust again.

The older subframe, before noticing the rotten areas: