Well, it's a few minutes past midnight on the West Coast and so 24 hours has elapsed!
Well done, Jhieminga. Here are what would have been my next clues:
The warehouse roof picture is from the Vihuri Wiki page:
The canopies of the scrapped aircraft remain today as the roof windows of the Kuusakoski metal-recycling plant in Espoo.
https://en.wikipedia.org/wiki/Valmet_Vihuri
I had never heard of the Vihuri and stumbled on it by accident when looking for information on the Winjeel. The Vihuri must have been the last aircraft to use the Bristol Mercury.
Asturias, the UK obviously doesn't have a monopoly on this kind of bizarre construction!
Open House has been declared.