This was taken in the Jewish Museum.
The metal faces represent people affected by the Holocaust and is a remembrance to them. The idea is that visitors can move about them and they make a noise (being a kind of dull metallic resonance). Their voices are still heard.
DQ and I quibbled about photographing these pieces because of the nature of them. The thought of moving amongst (an on top of them) just seemed wrong and disrespectful (maybe we're too British). However I wanted to record the moment and decided that approached with due reverence and understanding, it would be OK. By not remembering these people - be it in art or photography - they would have died in vain. Instead they remind us all of the importance of tolerance and freedom.