ɪnðə lˈoʊɚ pˈɑːɹt ʌvðə vˈæli, pəlˈuːʃən mˈeɪ ˌæksɪdˈɛntəli kˈʌm fɹʌm lˈoʊkəl vˈɪlɪdʒɚz hˌuː wˈɑːʃ ðɛɹ kˈɑːɹz ænd ˈænɪməlz ɪnðə ɹˈɪvɚ ɔːɹ tˈeɪk kənstɹˈʌkʃən mətˈɪɹiəlz fɹʌmðə ɹˈɪvɚbˌɛd.
In the lower part of the valley, pollution may accidentally come from local villagers who wash their cars and animals in the river or take construction materials from the riverbed.