The surveillance video of an escalator accident in Jingzhou City, central Chinas Hubei Province, showed that two mall employees had found the danger of .
New surveillance video shows workers at a mall in China knew about the faulty escalator before a mother fell to her death. Her husband is also speaking out, .
New footage shows mall employees had close shave just before tragedy | Empleadas sabían de la falla de la escalera eléctrica que le costó la vida a una mujer.
