“Syria is thought to have one of the world’s largest stockpiles of chemical weapons. Those weapons have recently been used against Syrian civilians, compelling the world to respond to the country’s two-plus-year civil war. So it’s worth taking a step back to understand the weapons that have become so central to the Syrian crisis and how they work. This infographic, produced by The Washington Post, is a great introduction.”
Source: An infographic guide to Syria’s chemical weapons, how they work and how to destroy them