Sadhus and common people thronged the ghats throughout the day - Maha Kumb in Allahabad
Links:
[1] http://admin.indiaenvironmentportal.org.in/content/kumbh-mela
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kumbh-mela
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/religious-beliefs
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia