People light lamps on the banks of the Saryu river in Ayodhya, India, as they celebrate Diwali, also known as the Festival of Lights, on Nov 13, 2020. (STR / XINHUA)

People play with fireworks during Diwali in Prayagraj, India, Nov 14, 2020. (RAJESH KUMAR SINGH / AP)

A slum colony is decorated with lanterns and lights as they celebrate Diwali, in Mumbai, India, Nov 13, 2020. (RAFIQ MAGBOOL / AP)

Hindu women hold lighted clay lamps during a ceremony to celebrate Diwali at a Krishna temple in Lahore, Pakistan, Nov 14, 2020. (K.M. CHAUDARY / AP)

People light clay lamps as they celebrate Diwali at Swami Narayan temple in Karachi, Pakistan, Nov 14, 2020. (FAREED KHAN / AP)

A Pakistani Hindu family decorates the house with a Rangoli as they celebrate Diwali in Karachi, Pakistan, on Nov 14, 2020. (RIZWAN TABASSUM / AFP)

Worshippers wearing face masks offer prayers during Diwali at a Hindu temple in Colombo, Sri Lanka, Nov 14, 2020. (AJITH PERERA / XINHUA)

People queue outside a shop to buy things to prepare for Diwali, at Southall in London, Britain, Nov 13, 2020. (FRANK AUGSTEIN / AP)

The exterior of the Tate Britain art gallery stands lit up by the neon lights of British artist Chila Kumari Burman's new artwork for the annual Winter Commission entitled "Remembering a brave new world" to mark Diwali, in London, Britain, Nov 14, 2020. (MATT DUNHAM / AP)