Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
북극권은 지구의 북쪽에 위치한 지역입니다.bukgeuggwon-eun jigu-ui bukjjok-e wichi-han jiyeog-imnida.The Arctic Circle is the region located in the northern part of the Earth.