absolutely beautiful. I sincerely envy your large, vacant, and seemingly pristine factories and warehouses. Anything remotely similar near me has been demolished, re-used, or vandalised all to hell.
What is this thing:
It looks like there is supposed to be a chain hoist attached to the trolley on the I beam, and the enclosed outhouse-sized thing looks like it could be a safety cage over a shaftway or pit. Is there anything interesting below ground there?