Solutions

When there's no other way, one has to patch things up. Some even go to extremes. Like in the pictures below.

Gazing at the invention, I thought that maybe it's a passage between two apartments. Since there isn't any need for servants' passage anymore, I told myself that it must be a fantastic passage. Like the one in Florence's Palazzo Vecchio, used by royalties to get to other parts of the cities, without the mortals knowing about it.
Or do you have another guess?!