People sleep in front of their damaged home in Concepcion, Chile, Friday, March 5, 2010. Many survivors of the earthquake and tsunami that struck Chile’s central coastal region last Feb. 27 are living on the open because their homes were damaged or for fear of aftershocks. (AP Photo/Ricardo Mazalan)

People sleep in front of their damaged home in Concepcion, Chile, Friday, March 5, 2010. Many survivors of the earthquake and tsunami that struck Chile’s central coastal region last Feb. 27 are living on the open because their homes were damaged or for fear of aftershocks. (AP Photo/Ricardo Mazalan)