house of leaves intensifies

Also note the path it took vs this scan of the area. It was like 'oh OK I am just going to turn around and go back home'. This Roomba probably didn't want to go to narnia.

NGL thought the image was an arduino board emiting smoke to the side at first glance

Was a poster of Rita Hayworth on that "wall"?

Ah the ol' five and a half minute hallway.

May it be a slightly upward angled mirror?

I love a good spatial anomaly

There’s probably a switch (or series of switches) on the wall which activates the door to open up that part of the map.

Should try measuring it from the outside.. just to be sure

Is this hallway perhaps really cold, dark and makes some growling sounds?

It's getting ready to escape

He comes

Don’t worry the Foundation will be there to contain the situation.

It must have went into the wardrobe. Then went to narnia

Throw the wall, there must be something there. Or you will make it happen.

Just like in the third season of Umbrella Academy. Just don't ring the bell.

Does it measure longer on the inside than it does on the outside?