When Mr. Zeno confronts Mr. Turner in the hallway, there is a thick line running down the length of the hall toward the window. It seems to serve no purpose, as it's clearly not to be decorative. It's possible that it serves as a large place marker to designate that the segment will happen in that whole area.
The extensive, overlong segment of the machine producing feathers which overcome Mr. Zeno is obviously padding.
The Benjamins live in a two storey duplex on the 5th and 6th floors of an apartment block in downtown New York, yet there is a tree at touching distance from Kenny's upstairs bedroom window.