[] , [] , [^] , []Alternative of real thing / Swing (2)(GC World : Sample ,Typical examples of GC)
This swing is a little strange.
Can you find how strange?

GC/Win

GC/Win



Actual photograph
State of rest

State of pushing swing to the left

The swing above is in the athletic corner of Worker's Welfare Hall near the
university.
The photographer seems not to have had the intention especially though a small
child was reflected.
(Photographer:Yusaku Kanaya)

Forum of Geometric Constructor by Y.Iijima