A fireman from the London Fire Brigade, wearing a smoke helmet. (Photo by Topical Press Agency/Getty Images). Circa 1908

Girls during a class at the Teire Irish dance school in Moscow, Russia on March 15, 2019. (Photo by Sergei Karpukhin/TASS)

Gas-masked men of the British Machine Gun Corps with a Vickers machine gun during the first battle of the Somme, 1916. (Photo by General Photographic Agency/Getty Images)

The Godson family had faced eviction over neighbours' complaints about the birds squawking and swearing. Now, after the family were targeted in a drive-by smoke-bomb attack over the birds they have upped and moved 200 miles from Hemel Hempstead, Herts, to Minehead, Somerset. And their pets join in their new idyllic coastal life – by walking along the beach with them on May 9, 2023. (Photo by Neil Hope/The Sun)

A Russian soldier takes part in drills at the Kadamovskiy firing range in the Rostov region in southern Russia, Wednesday, December 22, 2021. Russian Foreign Minister Sergey Lavrov says that Russian and U.S. negotiators will sit down for talks early next year to discuss Moscow's demand for Western guarantees precluding NATO's expansion to Ukraine. (Photo by AP Photo/Stringer)

Ukrainian service members walk to an armoured personnel carrier outside of the frontline town of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine on May 23, 2023. (Photo by Yevhenii Zavhorodnii/Reuters)

Police detain demonstrators during an action against Russia's attack on Ukraine in St. Petersburg, Russia, Monday, February 28, 2022. Protests against the Russian invasion of Ukraine resumed on Monday, with people taking to the streets of Moscow and St. Petersburg and other Russian towns despite mass arrests. (Photo by Dmitri Lovetsky/AP Photo)

Russian soldiers write home while serving on the Eastern Front during World War I, circa 1915. (Photo by Hulton Archive/Getty Images)