If you know what BTI stands for, please leave a comment.
This building seemed like a pump house or compressor house. It was full of empty concrete mounts.
After crushing, these machines would float lighter material to the surface of the water, where it would be skimmed and discarded. Gold and silver laden stone would sink to the bottom, where it was collected for the next stage of processing. Leica/Summilux 35/Ektar 100
All of the fire alarms had been triggered.
A detailed look at the side of one of the thousands of transformer boxes in the war city.