Dean and spokesman of the 'Stiftung Berliner Schloss - Humboldtforum' ('Berlin Castle foundation - Hmboldt forum') Manfred Rettig stands in the castle building hut of the foundation of the Berlin Castle in Berlin, Germany, 12 February 2013. The foundation has been set up for facade works. Photo: RAINER JENSEN

- Image ID: D379NY
Dean and spokesman of the 'Stiftung Berliner Schloss - Humboldtforum' ('Berlin Castle foundation - Hmboldt forum') Manfred Rettig stands in the castle building hut of the foundation of the Berlin Castle in Berlin, Germany, 12 February 2013. The foundation has been set up for facade works. Photo: RAINER JENSEN
dpa picture alliance / Alamy Stock Photo
Image ID: D379NY