A pilot looks up from a U.S. F-22 Raptor fighter as it prepares to refuel in mid-air with a KC-135 refuelling plane over European airspace during a flight to Britain from Mihail Kogalniceanu air base in Romania April 25, 2016. (Photo by Toby Melville/Reuters)

A rainbow is seen near a cloud south of Corvallis, Ore., Monday, May 19, 2014. (Photo by Andy Cripe/AP Photo/The Corvallis Gazette-Times)

In this photograph taken on August 25, 2016, an Afghan shepherd watches over his sheep as they graze on the outskirts of Herat. (Photo by Aref Karimi/AFP Photo)

American film director Mike Todd and his actress wife Elizabeth Taylor get into a spat after missing their flight from London to Nice on June 22, 1957. (Photo by AP Photo)

Two students in Birmingham, United Kingdom dressed as policewomen enjoy a takeaway on October 31, 2018. Halloween party-goers enjoyed one hell of a night for the annual fright-fest. (Photo by Caters News Agency)

Bangladeshi people climb into the roof of an overcrowded train as they travel to celebrate Eid with family in their villages, at the Kamlapur Railway Station in Dhaka, Bangladesh, 03 June 2019. Muslims around the world are preparing to celebrate Eid al-Fitr, the three-day festival marking the end of the Muslim holy month of Ramadan, Eid al-Fitr is one of the two major holidays in Islam. (Photo by Monirul Alam/EPA/EFE)

A woman poses for a photo in a vehicle parked on the street as a tourist attraction, in Bangkok, Thailand on July 29, 2019. (Photo by Soe Zeya Tun/Reuters)

A woman cries while being escorted by police officers during an anti-government protest in Santiago, Chile, 07 November 2019. A proposed increase in the price of metro fares sparked a series of anti-government protests that have left at least 20 people dead. The protestors are demanding improvements in the quality of healthcare, education and general distribution of wealth in Chile. (Photo by Orlando Barría/EPA/EFE)