Charles Marville, (French, 1813–1879). Rue Estienne from the rue Boucher (First Arrondissement),1862–65. The Metropolitan Museum of Art, New York. Gilman Collection, Purchase, Mr. and Mrs. Henry R. Kravis Gift, 2005 (2005.100.358) | This photograph is featured in "Charles Marville: Photographer of Paris," on view through May 4, 2014. #paris
First of all, I love this picture. The expression of the subject evokes very strong emotions even though it is in BW. The photo also uses a shallow depth of field by placing the emphasis on the sharpness of the man's wrinkles and his hands while blurring the hard lines of the back ground.