gamerprinter
Mapper/Publisher
I see a slight shadow on the furniture (which could probably be emphasized a little more), but beneath that is a rug on the floor which shouldn't have a shadow (or very little anyway).
I think he's noticing that the table and chairs in the center room do not seem to have any shadow, unlike the beds and other objects.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.