There really are seas of needles?

You just like the lace.

Wait, why is there an open space leading to the next room in the corner of the bathroom? Where's the door? What kind of bathroom from the twilight zone is this? For that matter, why is she just standing there watching them, anyway? She had to have known they were taking a picture. THEY had to have known she was standing right there. How can they proceed to have a grand old time and snap a photo when some person is standing there staring? I'M SO CONFUSED!