Hindu pilgrims prepare to take a dip at the confluence of the Ganges river and the Bay of Bengal on the occasion of Makar Sankranti festival at Sagar Island, south of Kolkata January 14, 2015. Makar Sankranti is an auspicious festival celebrated by Hindus across the country that marks the start of the harvest season. (Photo by Rupak De Chowdhuri/Reuters)
