Ninety seconds in a stairwell
One unbroken take, two actors, no score, and a camera that refuses to move when you want it to. Taken apart shot by shot.
The scene runs from 01:14:20 to 01:15:50. Nothing happens in it, in the sense that no information is delivered and no decision is made. It is, by some distance, the best ninety seconds in the film.
The camera sets up at the half-landing, slightly below eye line, and does not move again. This is the first choice, and everything else follows from it: we are looking up at two people who are looking down at each other.
The refusal to cut
A cut here would be a mercy. Conventional coverage would give us a reverse, let us off the hook, restore the rhythm. The scene declines. What builds instead is the specific discomfort of watching two people fail to say a thing in real time.
Sound is doing quiet work underneath. The building hum sits low in the mix until roughly the sixty-second mark, when it drops out entirely — not a flourish, just the removal of a thing you did not notice was holding you up.