>>2238907I believe they're office blocks for the modern chemical engineering complex that lies adjacent to the site of the abandoned dynamite factory.
Incidentally they still specialise in explosives (now referred to as "energetics engineering", which sounds a lot less thrilling). Really set the mood for our two days of stalking when we were awoken by the sound of explosives being tested near where we had bedded down in an old storage facility. (picrel)