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
건축물의 기준면은 지면에서 1미터 위에 설정되어 있습니다.Geonchukmureui gijunmyeoneun jimyeoneseo 1miteo wie seoljeongdoeeo issseubnida.The datum plane of the building is set one meter above the ground.