From the driest deserts to remote settlements on volcanic islands, human communities can be found anywhere on Earth. One such community is Longyearbyen, where 2,400 residents live in the northernmost town in the world, approximately 818 miles from the North Pole. Located in Svalbard, a Norwegian archipelago between mainland Norway and the North Pole, the town has regular modern amenities like schools, restaurants, and stores. However, it's unlike anywhere else on Earth. For starters, it's dark