<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?na wenyeji wanasema eti ziwa ili ubadilika rangi kila siku kulingana na hali ya hewa ya siku iyo, pua wana endelea kwa kusema kuwa ziwa ilo linatajwa kuwa ni ziwa la pili kwa ukubwa katika maziwa yanayopatikana kwenye kreta afrika.  <response>: despite millions of indians depending on it for their daily needs, the ganges is considered to be the fifth most polluted river in the world. 