Dan Snow visits a secret location were heavy weapons can be safely fired to experiences firing WW1 machine guns himself.

We learn that machine guns were a new weapon in WW1 and three guns are introduced; a German MG, a British Vickers and a Lewis gun.

This clip is from:
World War One Centenary

The descriptions of the weapons could be useful in a general study into technological developments during WW1. The sobering tone of the final reflection could be used as a prompt for debate on what is and is not acceptable in a war context.