Field guide No. 1584

A heavy green steel door stands ajar in a basement corridor, and its edge holds a column of tiny lit corridors stacked one above another. The door is thicker than it looks, by several floors.

Long story short

More in the edge

A heavy green steel door stands ajar in a basement corridor, and its edge holds a column of tiny lit corridors stacked one above another. The door is thicker than it looks, by several floors.

Field noteCorridors stack inside the door’s edge, a whole building held in two inches of steel.

Specimen
No. 1584
Kind
Impossible (the round square kind)
Where it doesn’t exist
A green basement corridor with pipes overhead.
Nearest existing relative
A steel fire door.
Filed in Fresh slop as
Spaces

Also impossible, also breaking scale