Baba (Hindu devotee) smoking a Chillum (clay pipe) of ritual cannabis at the Kumbh Mela 2013 Hindu festival near Allahabad (India).
Kumbh Mela is the largest festival on Earth, taking place once every 12 years, with more than 50 million Hindu pilgrims gathering to pray and bathe in the holy Ganges river.
For more info about religious use of cannabis, read en.wikipedia.org/wiki/Religious_and_spiritual_use_of_cann....
For more photos and info about the Kumbh Mela festival, read the album description.