Two U.S. Soldiers wear gas masks while walking through plumes of smoke during World War I.第一次世界大戰, 防護口罩
Ukrainian soldiers from the 28th Infantry Brigade take part in tactical training exercises wearing gas masks in a rural area of Ukraine as the war...烏克蘭
Combating German frightfulness. The members of the AM expeditionary forces in the 1st line trenches at the Lorraine section, during WWI, were fully...第一次世界大戰
Protester wearing a gas mask and dressed as a Whirling Dervish is pepper sprayed by police during clashes with police in front of Istanbul's famous...土耳其, 伊斯坦堡, Bestpix
British troops of the Irish 10th Division seen here wearing gas masks in the trenches in the Struma River valley, close to Salonika. 1st August 1916第一次世界大戰, 防護口罩, 戰壕
Ukrainian soldiers from the 28th Infantry Brigade take part in tactical training exercises wearing gas masks in a rural area of Ukraine as the war...俄羅斯
Servicemen of the National Guard of Ukraine undergo training to storm enemy trenches using simulation equipment as the war between Russia and Ukraine...
portrait of technician wearing yellow nuclear protection suit, mask and goggles, pointing finger at camera. concept of nuclear energy and pandemics. - 防毒面具 個照片及圖片檔氣候變化, 防護口罩, 畫像
