File:Odessa TU Hall Back Stairwell.png

top photo from: http://www.economist.com/blogs/easternapproaches/2014/05/odessas-fire-examined

bottom ... somewhere on Demotix.com (cropped here to allow more detail space)

Both vides have the dark areas lightened to see detail, while leaving the glimpses outside intact. This is the same area, overllooking the Trade Union Hall's back (SW) courtyard)