hey guys!
ive spent a while on an office building getting it as realistic as possible (the image below is just one of the many rooms)

my problem is simple. i'd like the shadows emited from the light source to not be so solid and dark. in other words, instead of a solid black colour, i'l prefer a much darker area, but not solid, and preferably with a light blur to its edges.

any suggestions?

feedback on the pic at all?