They started on the mosaic in May 2010, just as World Cup fever was mounting. Fiona and Mary designed and prepared most of the cell elements in the studio, and arrived with boxes and boxes of tiles, all pre-sorted according to colour. The on-site installation took just over a week.
A mitochondrion: it's involved in respiration - remember?
The mosaic is almost there: here it is before grouting.
And a few months after it was finished. With nucleus, ribosomes, vacuole, a Golgi apparatus, mitochondria, chloroplasts... and starch granules.