Argentine Army elements help to unload donations for people who were affected by floods in the city of La Plata, Argentina, on April 5, 2013. Residents donated mattresses, food and clothing to help victims of the storm that affected the city of Buenos Aires, its conurbation area and the city of La Plata. (Xinhua/TELAM)

People who were affected by floods receive donations in the city of La Plata, Argentina, on April 5, 2013. Residents donated mattresses, food and clothing to help victims of the storm that affected the city of Buenos Aires, its conurbation area and the city of La Plata. (Xinhua/TELAM)

Argentine Army elements help to unload donations for people who were affected by floods in the city of La Plata, Argentina, on April 5, 2013. Residents donated mattresses, food and clothing to help victims of the storm that affected the city of Buenos Aires, its conurbation area and the city of La Plata. (Xinhua/TELAM)

People who were affected by floods observe the damage in their homes in the city of La Plata, Argentina, on April 5, 2013. Residents donated mattresses, food and clothing to help victims of the storm that affected the city of Buenos Aires, its conurbation area and the city of La Plata. (Xinhua/TELAM)

Volunteers help to unload donations for people who were affected by floods, in the city of La Plata, Argentina, on April 5, 2013. Residents donated mattresses, food and clothing to help victims of the storm that affected the city of Buenos Aires, its conurbation area and the city of La Plata. (Xinhua/TELAM)