An Indian artist works on clay idols of Hindu Goddess Kali, the "Goddess of Power", in advance of the festival of Diwali in Kolkata, India on Nov. 3, 2018. Diwali, the festival of lights symbolizing the victory of good over evil, commemorates Lord Ram's return to his kingdom Ayodhya after a 14-year exile. (Xinhua/Tumpa Mondal)