Materials : white sheet of paper, glue stick, pictures (link http//ledeveloppementdurable.fr or files) , grey pencils, markers.

1) Choose a picture and tell why

2) Glue it (or a part of it) wherever you want on the white sheet of paper

3) Extend in the grey pencil the graphic elements

4) Colour in the bottom by respecting tints

5) Go back with your fine felt-tips on the graphic lines (features)