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
그림에서 원근화법을 사용하여 깊이감을 표현했다.geurimeseo wongeunhwa-beobeul sayonghayeo gipi-gam-eul pyohyeonhaetda.In the painting, perspective was used to express depth.