The health benefits of cold weather have been known to the locals for aeons. Babies have their daytime nap outside, and adults regularly take a dip in frozen lakes. Cold Yoga is something new altogether. You can read about Snufkin's adventures in Lapland and other places around the world here.
Low Aurora Activity.
This blog provides information about current aurora activity in Finnish Lapland and the viewing conditions. Northern light photography requires aurora activity, clear to partly cloudy skies, and preferably little wind. Look out for occasional tips to get you ready for your own Arctic photography adventure.