I have been walking by this sign for a week or so, and I find it oddly and head-scratchingly charming.
Appearance the lobby
In under renovation.
It's like some disjointed found poetry, or an ID test where you have to rearrange the words to make a coherent sentence.
Pardon our appearance in the lobby under renovation? No.
Pardon our appearance under renovation in the lobby? No.
Pardon the appearance in our under renovation lobby.