The 55-day Maha or Great Kumbh Mela festival in Allahabad is expected to be the biggest religious gathering of humanity on Earth, with up to 100 million pilgrims bathing in the holy waters in January and February. The "mega mela" takes place every 12 years at the confluence of the Ganges and the Yamuna rivers - and the mythical Saraswati. The mudflats of the delta are transformed into a tent city, with the thronging masses visible from space Read more