MADRID.- A woman looks at the picture Rebecca by US photographer Elena Dorfman that forms part of an exhibition entitled Observados. Voyeurismo y vigilancia a traves de la camara desde 1870 (The observed. Voyeurism and vigilance through the camara since 1870), during the preview at the Canal Foundation in Madrid, Spain on 26 October 2011. The exhibition runs from 27 October to 08 January 2012. EPA/KOTE.