The furnace buildings at Hopewell Furnace National Historic Site in Elverson, Berks County Pennsylvania. The completely overcast, flat light of the day helped eliminate nasty hard shadows but it also gave some odd glare on some of the windows. Nine days left in this year long project !

Technical details:
Sakai Toyo 5x7" large format metal field camera with 4x5" film back.
150mm Caltar-S II F 5.6 lens in Copal BT shutter.
Ilford HP5+ B&W film, shot at ISO 400.
1/4 second at F32.
Developed in Ilford DD-X 1+4 dilution for 7 minutes and 20 seconds @ 20 degrees Celsius using a Beseler 8x10 print drum placed on Unicolor Uniroller 352 auto-reversing rotary base.
4x5" negative scanned with Epson V600.