Rusty remorse: Do the Citroen Relay / Fiat Ducato / Peugeot Boxer / RAM Promaster rust?

In this video, Neil from Mobile Welding North Wales shows you the common place to find rust on the Ducato / Relay / Boxer / Promaster vans. These are very popular as camper conversions and base vans for people to self convert, so they often have a previous life as a delivery van before being turned into a camper. Also how to know what rust looks like, and some destructive testing of sills...