The Whitened Walk
Small shelves line both walls, and every one of them is full. You count 4 paces of it, low and unbroken. Flowers were left here once. They have gone to a brown dust that still holds their shape. The air hums, barely, at the edge of hearing.
Depth 15.
You are reading the dungeon, not walking it. Rooms are only created by people, and only from inside the maze.