"Worst of all, the air was full of fumes; breathing was painful and difficult, and a dizziness came on them, so that they staggered and often fell. And yet their wills did not yield, and they struggled on."
"Worst of all, the air was full of fumes; breathing was painful and difficult, and a dizziness came on them, so that they staggered and often fell. And yet their wills did not yield, and they struggled on."