Self portrait ideas Mapping 2013 on Behance Use a process like this for "identity/self-concept" activity about skin color/shade/tone/palette. Put vertical photo strip of every child together on a couple images to make a collective face.
Alphatecture brilliantly executed by Peter Defty. He is a professional photographer based near Leeds, in the UK, and takes these photos all over the world. They remind you to look up once and a while. maybeitsgreat: ALPHATECTURE by Peter Defty, UK