Cracks and concrete

Eastern State Penitentiary in Philadelphia Pennsylvania.  Built in 1829 and closed in 1971 remaining abandoned for several decades before being re-opened to the public as a tourable historical attraction. 

Technical details:
Bronica SQ-A medium format film camera with a Bronica Zenanon 110mm F4 PS macro lens. 
Kodak Tmax 400 shot at ISO 400.
Developed in Diafine for 4 minutes (part A) and 4 minutes (part B) @ 20 degrees Celsius in Paterson 3 reel tank.  5 seconds initial agitation with swizzle stick followed by 5 seconds of additional agitation ever minute thereafter. 
Negative scanned with Epson 4990 on holders with ANR glass.