Darkness covers the Norwegian city of Tromsø from late November through January, a long, polar night when the sun never rises at all. The island community, which is more than 200 miles north of the Arctic Circle, is flanked by snowy peaks and frigid water. Northern lights flicker in the sky there.


원문출처 : https://www.cnn.com/2020/11/17/health/fight-winter-blues-mindset-wellness/index.html