Field guide No. 673

In a bare red room a concrete staircase with a steel rail climbs to the ceiling and carries on climbing along it, upside down. Use the handrail on the way back.

Impossible red and white stairwell

Up, and then up the other way.

In a bare red room a concrete staircase with a steel rail climbs to the ceiling and carries on climbing along it, upside down. Use the handrail on the way back.

Field noteBoth flights are up. One rises from the floor, one from the ceiling, and they meet as one stair.

Specimen
No. 673
Kind
Impossible (the round square kind)
Breaks
Physics
Where it doesn’t exist
A bare red room with tall windows.
Nearest existing relative
A concrete staircase.
Filed in Fresh slop as
Spaces

Also impossible, also breaking physics