"In Mexico City, architects Fernanda Canales and Arquitectura 911sc have wrapped an old house with a concrete and glass frame to convert it into a public library.
Located south of the city, in Coyoacán, the ‘Elena Garro Cultural Center’ was previously just two-story brick and plaster house from the 20th-century.
However, the architects extended the building, to make it seem like the old façade was created within a modern building.
Though the first floor of the old building was replaced with reading rooms—the brick house’s entrance and balcony still sit where they are, and give the impression of an ‘indoor courtyard’ that is overlooked by balconies and windows of the newer building.
Trees of the old house also continue to grow in the center of the library. "
(via Design Taxi)