A Mark IV tank, part of the parade at the Lord Mayor's Show in London. (Photo by Topical Press Agency/Getty Images). November 1917

A man holds a metal bar as a weapon during a training day for former soldiers and volunteers train in a makeshift camp in the outskirts of Port-au-Prince, Haiti, October 28, 2015. Haiti disbanded its abusive armed forces two decades ago but uniformed veterans and young recruits are resurfacing to add another destabilising factor to the volatile Caribbean nation already dealing with a political vacuum. (Photo by Andres Martinez Casares/Reuters)

In this Wednesday, April 12, 2017, photo, waitresses wait outside a restaurant in Pyongyang, North Korea. A generational divide is quietly growing in North Korea, often hidden behind relentless propaganda. On the streets there are young women in not-quite mini-skirts and teenage boys with baseball hats cocked sideways, K-pop style. (Photo by Wong Maye-E/AP Photo)

A man looks at kebabs cooking on the street side in Rawalpindi, Pakistan October 2, 2017. (Photo by Caren Firouz/Reuters)

An Army Sikorsky R-5 helicopter, undergoing record trials, demonstrates its lifting power by carrying 17 persons and pilot aloft as female onlookers wave in Bridgeport, Conn., January 10, 1946. During the tests records were claimed for altitude speed and both altitude and speed with payload. (Photo by Anthony Camerano/AP Photo)

A Nepalese devotee offers ritual prayer at the Bank of Bagmati River of Pashupatinath Temple during Rishi Panchami Festival celebrations at Kathmandu, Nepal on Sunday, August 23, 2020. Rishi Panchami festival is celebrated as the last day of three-day long Teej Festival. The Teej festival is celebrated by Hindu women in Nepal as well as in some parts of India. (Photo by Narayan Maharjan/NurPhoto via Getty Images)

Women wearing protective masks talk to each other on a street, amid the coronavirus disease (COVID-19) outbreak in Kuala Lumpur, Malaysia on December 17, 2020. (Photo by Lim Huey Teng/Reuters)

Police personnel march during the Republic Day Parade in Amritsar on January 26, 2021. (Photo by Narinder Nanu/AFP Photo)