땅은

as for the land

→ 땅
phrase Rare #22,290
as for the land 은 marks 땅 as the topic of the sentence and can add a contrastive emphasis.
KO: 땅은 생각보다 넓었어요.
EN: The land was larger than I expected.

어깨를 나란히 하고 이 땅은 우리 것 이다!

Shoulder to shoulder, this land is ours!

— 전함 포템킨 (1925)