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
이 지역의 평면화는 도시 계획에 중요한 역할을 합니다.I jiyeog-ui pyeongmyeonhwa-neun dosi gyehoeg-e jungyohan yeoghal-eul hamnida.The flattening of this area plays an important role in urban planning.