It was late in the afternoon and getting dark. These are windows facing the court yard if Hamburg's Chilehaus. Some windows still reflect the last blue sky, others are already illuminated by artificial light.
The bus driver said the Chilehaus is the largest brick building in Hamburg. Built in 1922 to 1924, it has the shape of a ship (see http://www.bildarchiv-hamburg.de/hamburg/gebaeude/chilehaus/index.htm)
Picture details: Exposure 1/10s, aperture 3.5, focal length 18mm, no flash, no tripod.
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