This mosaic was made from 2500 individual photographs of circles, photographed by 542 individuals.
Each individual tile in the mosaic is a unique photograph of a different circular object.
Here’s a closer view of the mosaic. Click on a tile to see the original photo. Thanks to Andrew Wallace for helping with the map!
25×39″ posters were selling for only $4. The key word is “were”. They are currently sold out.