The number of pictures you care for or like can have a big impact on how long you live.
Spatial pattern is important in natural biological spaces as a determinant of key aesthetic properties. Inevitable I'm afraid, like the fuss about the venerable bond between art and invisible pictures.
As might be expected, varying degrees of abstraction are found in invisible works.
They were admired (and problematized) as luxury artworks. A historic legitimacy.
The upside down logic: This means there is no gap between head and tail, instead we have a continuum.