In January, something is built in the gorge. The canyon walls of Sounkyo become in winter the frame for an ice festival that turns cold itself into the attraction. Structures rise from the valley floor: ice sculptures, snow formations that catch torchlight and multiply it. On weekend evenings, fireworks arc over the canyon walls. The temperature can reach minus twenty Celsius. The onsen steam rises from bathhouses nearby, visible from the festival grounds — a reminder that warmth is always close. Ice so profound it becomes architecture, fire set against it, hot spring water available immediately after. This combination exists nowhere else. The Daisetsuzan range produces winters that most of the world cannot imagine. Sounkyo has learned to make them into something to seek out rather than endure. The people who come here in the dark, in temperatures that make breath visible from twenty meters away, understand something about winter that the rest of the year cannot teach.