Chinese food menus in NYC are surprisingly complicated, which makes this staircase even more bizarre. If ever there was a reason to simplify, putting text on the side of each stair would be it. And curiously SLUSH doesn’t earn it’s own letter/number code.
It’s a quiet spot, so I didn’t get to observe anyone walk up the stairs to see how well it worked for them, or even if they noticed.
Found at Empire cafe, NYC.

Seems like you might get a pool of people standing at the bottom of the stairs, staring upward.