<Table> <Tr> <Th_colspan="2"> Kumbh Mela </Th> </Tr> <Tr> <Td_colspan="2"> UNESCO Intangible Cultural Heritage </Td> </Tr> <Tr> <Td_colspan="2"> Pilgrims at the Haridwar Kumbh Mela in 2010 </Td> </Tr> <Tr> <Th> Country </Th> <Td> India </Td> </Tr> <Tr> <Th> Domains </Th> <Td> Religious pilgrimage, rituals, social practices and festive events </Td> </Tr> <Tr> <Th> Criteria </Th> <Td> None </Td> </Tr> <Tr> <Th> Reference </Th> <Td> 01258 </Td> </Tr> <Tr> <Th> Region </Th> <Td> Asia and the Pacific </Td> </Tr> <Tr> <Th_colspan="2"> Inscription history </Th> </Tr> <Tr> <Th> Inscription </Th> <Td> 2017 (12th session) </Td> </Tr> <Tr> <Th> List </Th> <Td> Representative </Td> </Tr> <Tr> <Td_colspan="2"> Held alternately between Allahabad, Haridwar, Nashik and Ujjain every three years . </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Kumbh Mela </Th> </Tr>

Where does the largest river festival take place