BARIYARPUR, NEPAL - NOVEMBER 28: (EDITORS NOTE: Image contains graphic content.)   A devotee slaughters a water buffalo during the celebration of the Gadhimai festival on November 28, 2014 in Bariyarpur, Nepal. Over two million people attended this year's Gadhimai festival in Nepal's Bara Disctrict. Held every five years at the Gadhimai temple of Bariyarpur, the festival is the world's largest slaughter of animals, during which between thousands of water buffaloes, pigs, goats, chickens, rats and pigeons are slaughtered in order to please Gadhimai, the Goddess of Power. (Photo by Omar Havana/Getty Images)