A participant covers himself with a blanket as it rains at the venue of the World Culture Festival on the banks of a river in New Delhi, India, March 11, 2016. (Photo by Adnan Abidi/Reuters)

A woman wearing a scarf to cover her face looks on as she waits for a passenger bus on a smoggy morning in New Delhi, India, November 8, 2017. The Great Smog of Delhi is an ongoing severe air-pollution event in New Delhi and adjoining areas in the National Capital Territory of India, in November 2017. Air pollution at this time peaked on both PM 2.5 and PM 10 levels. It has been reported as one of the worst levels of air quality in Delhi since 1999. (Photo by Saumya Khandelwal/Reuters)

The 2019 Nissan Altima sits covered before being presented at the New York Auto Show in the Manhattan borough of New York City, New York, U.S., March 28, 2018. (Photo by Brendan McDermid/Reuters)

Tara West signals to her partner Natalie Cook during the Bronze final match during the Australian Beach Volleyball Championships at Glenelg Beach on March 13, 2011 in Adelaide, Australia.

A rebel fighter celebrates as his comrades fire a rocket barrage toward the positions of troops loyal to Libyan ruler Muammar Gaddafi April 14, 2011 west of Ajdabiyah, Libya. Rebels exchanged artillery and rocket fire with loyalist troops west of Ajdabiyah April 14 as the confict engulfing Libya continued. (Photo by Chris Hondros/Getty Images)

People ride a Ferris wheel as fireworks illuminate the sky over Edinburgh, Scotland. (Photo by David Cheskin/Press Association)

Indian brides and grooms wait for the start of a mass wedding in New Delhi on June 15, 2014. Some 92 low-income and disabled couples tied the knot in a free mass wedding ceremony organised by the non-profit organisation Narayan Sewa Sansthan. (Photo by Chandan Khanna/AFP Photo)

Camelot, with rider Kris Anderson, wins an exhibition race billed as “The Cameltonian” at the Meadowlands Race Track in East Rutherford, New Jersey June 21, 2014. Run by Hedrick's Promotions in Nickerson, Kansas, this is the third year the race has been run at the track, in tandem with an ostrich race. (Photo by Ray Stubblebine/Reuters)