Send us a text A night train full of families, gifts, and holiday plans sped toward a bridge that wasn’t there anymore. We follow that chilling arc—from a crater lake’s quiet failure on Mount Ruapehu to a lahar roaring down the Whangaehu River, shredding concrete piers and erasing the Tangiwai bridge in darkness—then step into the locomotive cab as the crew sees a frantic flashlight beam and fights physics with brakes and sand, seconds too late. We unpack how New Zealand’s landscape shapes i...