Done with the EP-1, 17mm f2.8 lens, f2.8. three-shot bracket centered at 1/40th/s.
Converted to HDR using Easy HDR Basic.
I usually don't like HDR because of the intrusive (for me) tone mapping, but this one works for me. The only real sign that it is HDR is the blue sky in the windows, which only shows up in the -1 exposure, which leaves a very, very dark ceiling.