I've taken a number of pictures looking into store fronts as various people perform their jobs, including this Dumpling House in Chinatown, here in Toronto.
On this particular day, I walked around to the side window to get a different perspective, and shoot from the Dumpling Lady's point of view.
motorized Nikon FA
Nikkor 24mm f2 AIS manual focus
Fuji 100 ISO colour slide
exposure f2 @ 1/30th or 1/60th