It moves. It works with solar energy. It looks like two X's.
Click the image, and you'll see a video clip recorded March 2017.
50 minutes of moving work of art flashes in five seconds.
I made this work of art 2011.
It celebrates 20 years of Cable Factory as culture centre.
(20 in Roman numerals is XX)
Mirror in uppermost window reflects sunbeams to the opposite wall.
The two X's move on the wall as Sun moves.
The unsharp reflection proves: the Sun isn't a point.
The mirror in the facade looks quite reasonable too.