Norilsk is one of the most northern cities in the world, located above the Arctic Circle. The city experiences harsh winters with temperatures averaging -30°C (-22°F). Snow covers Norilsk for about 250 days a year, and the polar night lasts for several weeks during winter, where the sun doesn’t rise at all.
Despite its cold climate, Norilsk has a rich industrial history, primarily known for its nickel mining.
Originally built for various reasons, from defensive fortifications to storage and religious sanctuaries, many of these underground cities have endured over centuries, preserving fascinating glimpses into past lives and cultures.