McVeigh made eye contact with his four witnesses, then with the 10 media witnesses, then squinted toward the tintedwindow shielding the 10 victims' witnesses from his view.
About 93 percent of 3, 040 large U.S. hospitals used one or more day lighting or lighting conservation features, including tintedwindow glass (80 percent), reflective window glass (39 percent), external overhangs or awnings (47 percent), skylights or atriums designed to provide light (57 percent), automatic controls or sensors that increase or reduce lighting in response to the level of natural light (14 percent), and occupancy sensors that reduce lighting when rooms are unoccupied (46 percent).
