“ Until the 1970s most villages in Bangladesh and West Bengal [India] had either dug shallow wells, or collected water from ponds or rivers ​ — and regularly suffered cholera, dysentery and other water - borne diseases, ” states The Guardian Weekly.
” Hingga tahun 1970 - an, kebanyakan desa di Bangladesh dan Benggala Barat [India] menggali sumur - sumur dangkal, atau mengambil air dari kolam serta sungai ​ — dan sering didera kolera, disentri, maupun penyakit lainnya yang ditularkan melalui air, ” kata The Guardian Weekly.