P1150136_RAW_2011-06-18_14h53 on Flickr.Escape staircase on the facade of the &amp;#8216;Kolumba&amp;#8217; museum of the Archdiocese of Cologne facing Ludwigstra&szlig;e Architect: Peter Zumthor, 2007
P1150136_RAW_2011-06-18_14h53 on Flickr.
Escape stair on the facade of the &amp;#8216;Kolumba&amp;#8217; museum of the Archdiocese of Cologne facing Ludwigstra&szlig;e Architect: Peter Zumthor, 2007