The West Wing, which was part of the old museum, concentrated on the damage of the bomb. Sections included Material Witness, which showed clothing, watches, hair, and other personal effects worn by victims of the bomb; Damage by the Heat Rays, a section that looked at what happened to wood, stone, metal, glass, and flesh from the heat; Damage by the Blast, focusing on the destruction caused by the after shocks of the blast, and Damage by the Radiation which went into detail about the health effects suffered by humans.