The front wheels of a tractor lift off the ground as the driver moves a heavy trailer outside Peshawar, Pakistan February 19, 2018. (Photo by Fayaz Aziz/Reuters)

Chen interacts with his “smart” sеx doll as he lays in a bed in his home in Guangzhou, Guandong Province, China, 05 April 2018. Chen, because of his busy pharmaceutical sales job and the travel it involves, has no time for a girlfriend. Chinese girls all want to talk about marriage after the second date and he is not interested in that for now, he said. (Photo by Aleksandar Plavevski/EPA/EFE)

A German rifleman beside the corpse of a French soldier in a trench at Fort Vaux, France, 1916. (Photo by Hulton Archive/Getty Images)

A member of the Palace staff arranges Queen Victoria's Stuart Ball costume which is part of an exhibition to mark the 200th anniversary of the birth of Queen Victoria (1819–1901) this year at Buckingham Palace in London, Tuesday, April 2, 2019. The exhibition, Queen Victoria's Palace at the Summer Opening of Buckingham Palace from 20 July – 29 September 2019, will tell the story of her 62-year reign and her life at Buckingham Palace, which began when she ascended to the throne in June 1837. (Photo by Frank Augstein/AP Photo)

A man walks by as tourists take selfies on the French Riviera city of Nice on June 24, 2019, as temperatures soar to 33 degrees Celsius. Forecasters say Europeans will feel sizzling heat this week with temperatures soaring as high as 40 degrees Celsius (104 degrees Fahrenheit) in an “unprecedented” June heatwave hitting much of Western Europe. (Photo by Valery Hache/AFP Photo)

An Iranian man sells colorful ropes at the Tehrans old Bazaar, the place where the main economy trades take place, in Tehran, Iran, 25 January 2016. Reports state that Iranian officials expected the Iranian economy to grow on an average of eight percent over the coming five years following the lifting of sanctions against Iran. (Photo by Abedin Taherkenareh/EPA)

A protestor makes a selfie in front of a burning car during a national trade union demonstration in Brussels, Thursday November 6, 2014. Tens of thousands of demonstrators are converging on the Belgian capital to protest government policies that will extend the pension age, contain wages and cut into public services. (Photo by Geert Vanden Wijngaert/AP Photo)

A visitor takes a photograph from the North Star observation capsule onboard the cruise ship Quantum of the Seas which is currently docked at Southampton on October 31, 2014 in Southampton, England. Billed as the world's first smartship, Royal Caribbean's Quantum of the Seas is claimed to be the most high-tech cruise ship in the world, with high tech modifications such as virtual balconies in windowless rooms and features such as the first dodgem ride on water, and a skydiving simulator. The ship will shortly begin its voyage from Southampton, where it docked earlier this week, to New York before relocating to the Caribbean for the 2014-15 season. (Photo by Matt Cardy/Getty Images)