Amateur production of One Flew Over The Cuckoo’s Nest at the Barbican Theatre.  At the beginning of the play, you see Nurse Ratchet’s ward, full of the usual colourful hospital pictures … but as the play gets darker, so does the scenery, with butterflies turning to bats …

See the set in action:  http://picssr.com/photos/barbicantheatre/interesting?nsid=41650973@N08