People walk near India Gate on a smoggy afternoon in New Delhi, India, November 15, 2020. REUTERS/Adnan Abidi

A man rows a makeshift boat across Yamuna river on a smoggy morning in New Delhi, India, November 15, 2020. REUTERS/Adnan Abidi TPX IMAGES OF THE DAY

People ride a boat across Yamuna river as a metro train is seen in the background in New Delhi, India November 15, 2020. REUTERS/Adnan Abidi

Traffic moves along a highway shrouded in smog in New Delhi, India, November 15, 2020. Picture taken with a drone. REUTERS/Danish Siddiqui

A residential area is seen shrouded in smog in New Delhi, India, November 15, 2020. Picture taken with a drone. REUTERS/Danish Siddiqui

Priest Pandit Bal Krishan Gautama prepares to perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama prepare to perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama prepare to perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priest Pandit Nayan Vyas prepares to perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priests Pandit Nayan Vyas and Pandit Bal Krishan Gautama perform a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priest Pandit Bal Krishan Gautama performs a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priest Pandit Bal Krishan Gautama performs a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priest Pandit Bal Krishan Gautama performs a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priest Pandit Bal Krishan Gautama performs a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priest Pandit Bal Krishan Gautama performs a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

Priest Pandit Bal Krishan Gautama performs a live stream Diwali Puja service from the Hindu Temple in Newcastle, Britain, November 14, 2020. REUTERS/Lee Smith

People watch as firecrackers burn during Diwali, the Hindu festival of lights, in New Delhi, India, November 14, 2020. REUTERS/Anushree Fadnavis

People watch as firecrackers burn during Diwali, the Hindu festival of lights, in New Delhi, India, November 14, 2020. REUTERS/Anushree Fadnavis

The front of the Tate Britain art gallery is illuminated with a light installation by artist Chila Kumari Burman to celebrate the festival of Diwali in London, Britain, November 14, 2020. REUTERS/Peter Nicholls

The front of the Tate Britain art gallery is illuminated with a light installation by artist Chila Kumari Burman to celebrate the festival of Diwali in London, Britain, November 14, 2020. REUTERS/Peter Nicholls

The front of the Tate Britain art gallery is illuminated with a light installation by artist Chila Kumari Burman to celebrate the festival of Diwali in London, Britain, November 14, 2020. REUTERS/Peter Nicholls

The front of the Tate Britain art gallery is illuminated with a light installation by artist Chila Kumari Burman to celebrate the festival of Diwali in London, Britain, November 14, 2020. REUTERS/Peter Nicholls

The front of the Tate Britain art gallery is illuminated with a light installation by artist Chila Kumari Burman to celebrate the festival of Diwali in London, Britain, November 14, 2020. REUTERS/Peter Nicholls

The front of the Tate Britain art gallery is illuminated with a light installation by artist Chila Kumari Burman to celebrate the festival of Diwali in London, Britain, November 14, 2020. REUTERS/Peter Nicholls

The front of the Tate Britain art gallery is illuminated with a light installation by artist Chila Kumari Burman to celebrate the festival of Diwali in London, Britain, November 14, 2020. REUTERS/Peter Nicholls

The front of the Tate Britain art gallery is illuminated with a light installation by artist Chila Kumari Burman to celebrate the festival of Diwali in London, Britain, November 14, 2020. REUTERS/Peter Nicholls

Children light firecrackers during Diwali, the Hindu festival of lights, in Mumbai, India, November 14, 2020. REUTERS/Francis Macarenhas

Firecrackers are pictured at a village during Diwali, the Hindu festival of lights, in Mumbai, India, November 14, 2020. REUTERS/Francis Macarenhas

A man holds a firecracker as it burns during Diwali, the Hindu festival of lights, in Mumbai, India, November 14, 2020. REUTERS/Francis Macarenhas

Children watch as firecrackers burn on a street during Diwali, the Hindu festival of lights, in Mumbai, India, November 14, 2020. REUTERS/Francis Macarenhas

People decorate their houses with lanterns and lights during Diwali, the Hindu festival of lights, in Noida on the outskirts of New Delhi, India, November 14, 2020. REUTERS/Adnan Abidi

A man waits for customers at his tea stall as residential buildings are seen illuminated during Diwali, the Hindu festival of lights, in Noida on the outskirts of New Delhi, India, November 14, 2020. REUTERS/Adnan Abidi

People decorate their houses with lanterns and lights during Diwali, the Hindu festival of lights, in Noida on the outskirts of New Delhi, India, November 14, 2020. REUTERS/Adnan Abidi

People walk past the Bombay Stock Exchange (BSE) building which was lit up during Diwali, the Hindu festival of lights, in Mumbai, India, November 14, 2020. REUTERS/Francis Mascarenhas

A stockbroker and his family watch a terminal during a special "muhurat" trading session for Diwali, the Hindu festival of lights, at the Bombay Stock Exchange (BSE) in Mumbai, India, November 14, 2020. REUTERS/Francis Mascarenhas

Light Illuminate Kathmandu valley during the Tihar festival, also called Diwali, the Hindu festival of lights in Kathmandu, Nepal November 14, 2020. REUTERS/Navesh Chitrakar

Light illuminate Kathmandu valley during the Tihar festival, also called Diwali, in Kathmandu, Nepal November 14, 2020. REUTERS/Navesh Chitrakar

A devotee wearing a protective mask lights an oil lamp at a hindu temple to mark the Diwali festival, amidst the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, November 14, 2020. REUTERS/Dinuka Liyanawatte

A priest wearing a protective mask gives blessings to devotees to mark the Diwali festival on a side of a main road, amidst the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, November 14, 2020. REUTERS/Dinuka Liyanawatte

A devotee wearing a protective mask lights an oil lamp at a hindu temple to mark the Diwali festival, amidst the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, November 14, 2020. REUTERS/Dinuka Liyanawatte

A priest looks on at a hindu temple during the Diwali festival, amidst the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, November 14, 2020. REUTERS/Dinuka Liyanawatte

A devotee wearing a protective mask worships at a hindu temple to mark the Diwali festival, amidst the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, November 14, 2020. REUTERS/Dinuka Liyanawatte

A priest holds blessings at a hindu temple to mark the Diwali festival, amidst the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, November 14, 2020. REUTERS/Dinuka Liyanawatte

A devotee lights an oil lamp at a hindu temple to mark the Diwali festival, amidst the spread of coronavirus disease (COVID-19), in Colombo, Sri Lanka, November 14, 2020. REUTERS/Dinuka Liyanawatte

A dog performs during the dog festival as part of Tihar, celebrations also called Diwali, in Bhaktapur, Nepal November 14, 2020. REUTERS/Navesh Chitrakar