A line of soldiers firing handguns during a training session, circa 1920. (Photo by Keystone). P.S. All pictures are presented in high resolution.

Willow O'Brien, 5, holds an Irish flag as she poses for pictures, amid the outbreak of the coronavirus disease (COVID-19), on Saint Patrick's Day in Dublin, Ireland, March 17, 2021. (Photo by Clodagh Kilcoyne/Reuters)

Afghan internally-displaced girls plays with dolls near their tents at Shaidayee refugee camp in Injil district of Herat province on February 20, 2022. (Photo by Wakil Kohsar/AFP Photo)

A relative mourns Palestinian Ahmad Saif, 23, who died as a result of injuries sustained on March 1, during clashes with Israeli soldiers following a demonstration, during his funeral in the West Bank village of Burqa, Wednesday, March 9, 2022. (Photo by Majdi Mohammed/AP Photo)

People take a walk among cherry blossoms at a park in Seoul, South Korea on April 6, 2022. (Photo by Kim Hong-Ji/Reuters)

A young Iraqi shepherdess cools down buffaloes in wastewater filling the dried-up Diyala river which was a tributary of the Tigris, in the Al-Fadiliyah district east of Baghdad, on June 26, 2022. Iraq's drought reflects a decline in the level of waterways due to the lack of rain and lower flows from upstream neighboring countries Iran and Turkey. (Photo by Ahmad Al-Rubaye/AFP Photo)

Thousands of bright yellow silkworm cocoons are dried in huge clay bowls in the village of Hong Ly, northern Vietnam in July 2022. Silk fibres are produced by silkworms when they spin themselves into a cocoon on their journey to becoming a silkmoth. The ultra-soft fibres are harvested from the cocoon in their raw state by being boiled in hot water. (Photo by Prabu Mohan/Solent News)

A cosplayer portrays Himiko Toga from “League of Villains” outside the convention center during Comic-Con International 2022 on July 22, 2022 in San Diego, California. (Photo by Robyn Beck/AFP Photo)