27 Never Before Seen Historical Photos

You might have the impression that the poison gas is the invention of the modern times and it is only recently that its use has begun, but the fact is that it is being used since the very first world war. Now, have a look at the photograph below! You might be wondering that what is the man even doing and so let us tell you that the guy fits the gas mask to the mule probably because he didn’t want the mule to die since that mule must have been a mode of transportation. Starting in World War I and continuing through many conflicts since poison gas has been used extensively in war time.

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