Society has stockpiled equipment meant to help people survive such a disaster. But what if it turns out to be useless—or no one gets to it in time? While this sounds like something out of a sci-fi movie and doesn’t seem likely to happen anytime soon, you can already glimpse a possible outcome on the outskirts of Riga, Latvia: thousands of decaying gas masks scattered across a gloomy industrial area. What’s the story behind this strange and haunting sight?
