The extension of this early twentieth-century home in Senneville-sur-Fécamp, France, Ziegler Antonin Architecte left the main house untouched--adding a dark rectilinear structure which contrasts the original light brick home creating a total escape for the homeowners in the form of a light-filled library.  Photo 10 of 17 in A New Book Examines the Art of Breathing Life Into Forgotten Architecture