Field guide No. 1569
Headroom
Mind the rafters below
An old attic floor has a square hole in it, and through the hole a second roof hangs upside down, rafters meeting at a point. The loft has a loft, and it is underneath.
Field noteRafters keep going below the floorboards, a second roof hung upside down under the first.
Also possible, also breaking physics
Red bicycle with square tiresSquare wheels roll smoothly on the right bumpy road. This flat pavement isn’t it.
Reserved for the rainRain falling only where booked is meteorology being fussy. A table can have its own weather in principle.
Moss wave breaking in concrete courtyardMoss creeps a few millimetres a year. This bank has risen into a breaker and is mid-crash across the paving.
Anvil yielding to feathersA black iron anvil sinks softly into a heap of feathers. It found the one seat that does not ring.