Mother Deliz Lopes Tapia gives her daughter water which has been disinfected by the SODIS method (where clear PET bottles are filled with water and set out in the sun for 6 hours. The UV-A rays in sunlight kill germs such as viruses, bacteria and parasites). This is part of a project by the Peruvian NGO ADRA which works with people affected by from poverty and malnutrition in the region of Oyon.