More ideas from kimhyejin
http://www.pptstar.com/powerpoint/template/water-pollution/ Water Pollution…

http://www.pptstar.com/powerpoint/template/water-pollution/ Water Pollution…

poster against water pollution by Hans Erni for Graphis Annual 1962-63.

Vintage original and rare posters by Cassandre, Loupot, etc. from the Omnibus Gallery