Whilst searching for images to use for making 3D birthday cards I came across fractals. They are beautiful! The theory is beyond my comprehension but they are fascinating. The following link shows some.
www.youtube.com/watch?v=PG4QK0xBkHY&feature=related
Medical Ailments (Oct '23) A-Z
To think that London, or anywhere else for that matter, does not belong to any one demographic