CBS NewsWillis Tower SkyDeck: Protective layer cracks under visitors' feet in ChicagoJun 12, 2019Sophie LewisBy Sophie Lewisbookmark_bordersharemore_vert
CNNThe SkyDeck ledge of the Willis Tower cracks under visitors' feetJun 13, 2019Sophie Sherry & Christina ZdanowiczBy Sophie Sherry & Christina Zdanowiczbookmark_bordersharemore_vert