This is the 16029th most frequent Korean word.
북으로북으로
"북으로북으로" means "northward, northward" or "to the north continuously."
In this sentence, '북으로북으로' emphasizes the continuous movement towards the north direction.
저희는 태백산을 넘어 북으로북으로 향했습니다.
We headed northward over Mount Taebaek.
Here, '북으로북으로' relates to places located in the northern region.
유명한 북으로북으로 관광지는 여러 가지가 있어요.
There are many famous tourist attractions in the northern areas.
In this context, '북으로북으로' metaphorically indicates pursuing towards one's goals located symbolically in the north.