Some of London's telephone operators and engineers, trying out their gas masks at the anti-gas civilian training centre in Gloucester, where they were taught how to deal with gas attacks. (Photo by Harry Todd/Fox Photos/Getty Images). 13th February 1937

Kylie Jenner shows off a lot of cleavage in these new photos added to her Snapchat account on Thursday, August 25, 2016. Something that a lot of the 19-year-old reality star's fans pointed out was that her breasts looked larger than normal and she took to Twitter to explain why. Kylie said that she has “never” gotten her breasts done and that they look large because “it's that time of the month”. She even offered to let a fan feel them to prove that they are real! “They will deflate soon. And it will be a sad sad day”, Kylie added. (Photo by Scope Features)

Syrians try to rescue a dead body under the debris of a collapsed building after Syrian and Russian army carried out an airstrike on opposition controlled residential area at Merce neighborhood of Aleppo, Syria on September 23, 2016. (Photo by Jawad al Rifai/Anadolu Agency/Getty Images)

Iraqi firefighters try to stop the fire of burning oil wells in Kirkuk, northern Iraq, 02 June 2016. Two Khabbaz oil field wells in Kirkuk Province, northern Iraq, exploded by suspected insurgents, a security official said. (Photo by EPA/Stringer)

Abby Dow (L) of England scores a try during the Women's Rugby World Cup Semi Final match between Canada and England at Eden Park in Auckland, New Zealand, 05 November 2022. (Photo by Aaron Gillions/EPA/EFE)

This picture taken on June 1, 2019 shows Alex Gao trying to balance a book on his head during an etiquette and manners class in central Shanghai. Against a soundtrack of classical music, children learn social skills, dining manners and deportment in the class, which costs $390 for four hours of practical instruction per student. (Photo by Hector Retamal/AFP Photo)

People try to get a roast chicken at the first Costco outlet in China, on the stores opening day in Shanghai on August 27, 2019. China has proved a brutal battleground for overseas food retailers in recent years, with many failing to understand consumer habits and tastes as well as local competitors building a stronger presence. (Photo by Hector Retamal/AFP Photo)