Bizarre geometric weathering patterns resembling crop circles on the chain link fence of bemused Twitter user @Ben_On_The_Moon, who has been photographing the phenomenon for years, as yet unable to discover the cause.
Which is witchcraft, obviously.
Or, according to astute commenter, Barry the Hatchet…
The ephemeral artworks of British land-artist James Brunt; multiples of natural materials found in forests and beaches near his home in Yorkshire organised into meditative spirals, rings and other geometries which he photographs, then abandons to dissolve, fall apart or blow away.
…simple chemical feedback mechanisms can yield complex flowing bands of colour — these forms of system were originally thought up by Alan Turing, and were part of the early seeds of the field of systems biology, which seeks to simulate life with computers, in order to better understand the systems producing the complexity we see in the living world.
Headphones, full screen and whatever you’re having yourself recommended for full immersion.