London is the World's War Showroom
That week in January 2018 was excessive, but by no means unique.
Jane's - A website that aggregates arms fairs - Click to see more
Image: Army Equipment Catalogue advertising BAE Systems Mortar
Matt Kennard is a researcher for Action on Armed Violence.
Support for this article was provided by Action on Armed Violence and the Pulitzer Centre for Crisis Reporting. All in-text photos credit: Matt Kennard.