The Bacteria on the Handprint of an 8-Year-Old After Playing Outside
microbeworld.org
microbeworld.org
The author discusses in detail how she made the print in the comments.
Just a technical note: Many of the dot's are from mold/fungi, not bacteria.
››after washing your adult hands it would look no different (maybe more diverse)‹‹
edit: link to some pictures about it (but remember to keep your kids dirty :) it's good for them http://safesmokedfish.foodstandards.gov.scot/assessment/5126
Nice detail: see the white big blob in the bottom left? It's probably producing anti-biotics, keeping the other stuff at a distance (how did nobody see this earlier?)
Great picture though.
There's a difference between being merely colonised and being infected.