via.fox40.com
When It’s This Cold, Chicago Sets Its Train Tracks On Fire
Chicago residents are a hearty bunch. They know how to keep things moving when the weather turns cold. But what about when it's this cold? Like wind-chill-of-50-below-zero cold? Getting around is lot tougher. When that happens, the folks who keep the commuter trains running in the Windy City employ a hot idea: They set the train tracks on fire.