Those of a nervous disposition, look away now...
With this week marking the anniversary of the opening of the Erskine Bridge, in 1970, here's one of the first people to cross it.
I can't see health and safety allowing that today. Let's just hope that the guy was wearing his soft fawn suit!
Now, my memory might be a bit hazy, but I'm sure my mum dragged me and a bunch of mates along on opening day, to see Princess Anne cut the ribbon.