Shafts of light shine into the interior of a dark industrial building. The light reveals large metal pipes and railings densely packed into the building. The silhouette of a large valve wheel is in the foreground.

Sunbeams at the Pump House

In my opinion, this was the most interesting building at Bethlehem. I may be biased because the light quality was so nice when I was there but there were also a number of interesting elements unseen in the other buildings.