A priest sprinkles holy water on a believer during the Orthodox Easter service in the Holy Transfiguration Cathedral in the rebel-controlled city of Donetsk, Ukraine on May 2, 2021. (Photo by Alexander Ermochenko/Reuters)

A hot air-balloon flies during the International Lorraine Mondial Air Balloons Festival, in Chambley-Bussieres, eastern France, Friday, July 26, 2013. (Photo by Mathieu Cugnot/AP Photo)

Dancers at the Windmill Theatre in London, England practice a routine wearing gas masks and hard-hats with their costumes, 1940. (Photo by Hulton Archive/Getty Images)

A couple walk in the Retiro park in Madrid on November 17, 2020 as a thick fog falls on the Spanish capital. (Photo by Gabriel Bouys/AFP Photo)

A cow is silhouetted grazing next the smoke of a chimney of an incineration plant in Lausanne at sunrise on November 19, 2021. (Photo by Fabrice Coffrini/AFP Photo)

A Nepalese woman wearing a mask as a precaution against the coronavirus stands next to the clothing store in Kathmandu, Nepal, Tuesday, April 26, 2022. (Photo by Niranjan Shrestha/AP Photo)

Planes land in fog at Heathrow Airport, west London on January 4, 2014, as heavy fog covers a many parts of the south east. (Photo by Steve Parsons/PA Images via Getty Images)

Actress Laila Rouass poses during a studio shoot ahead of the new series of “Footballers Wives” at a London studio on January 28, 2004 in London. Rouass plays Conrad's bisexual wife Amber, and the nine-part series begins on ITV1 on February 11, 2004. (Photo by Stephen Perry/Getty Images)