Complex sentence: The memorial contains large black acrylic panels etched with the names of those killed, as well as a book filled with photographs and biographies of each of the victims, while the small chapel has stained glass windows with patriotic themed designs.
Split into simpler sentences: The memorial contains large black acrylic panels etched with the names of those killed, as well as a book filled with photographs and biographies of each of the victims. The small chapel, located in an adjacent room, has stained glass windows with patriotic themed designs.