Indian children play with fireworks at a park during Kali Puja (worship of power) and Diwali, the Festival of Lights, in Calcutta, India, Nov. 2, 2013. Kali worship, a Hindu festival, is celebrated in eastern India while Diwali, one of the most important Hindu festivals, is celebrated simultaneously in India. (Xinhua/Tumpa Mondal)

People watch fireworks at a park during Kali Puja (worship of power) and Diwali, the Festival of Lights, in Calcutta, India, Nov. 2, 2013. Kali worship, a Hindu festival, is celebrated in eastern India while Diwali, one of the most important Hindu festivals, is celebrated simultaneously in India. (Xinhua/Tumpa Mondal)

People watch fireworks at a park during Kali Puja (worship of power) and Diwali, the Festival of Lights, in Calcutta, India, Nov. 2, 2013. Kali worship, a Hindu festival, is celebrated in eastern India while Diwali, one of the most important Hindu festivals, is celebrated simultaneously in India. (Xinhua/Tumpa Mondal)