Two smiles with three PIPs

Detlef M.Noack made the tour to Galapagos to help the iguanas to get rid of their skin where they can´t reach. So this little sea iguana is smiling too
PIP 1 Detlef picking off the skin on the top of the head, where the iguanas can´t reach.
PIP 2 Detail
PIP 3. The land iguanas have the same problem. They can´t reach the top of their heads