under construction at Doryum-dong, Gwanghwamun, Jongno-ku, Seoul
felt tip pens, A 4
Ready-mix truck left when I nearly finished.
Yesterday I had to pass the area by walk. Poles risen from two machinery caught my eye. Though I was busy I stopped and sketched for minutes. And I asked an engineer to take a picture for me. Colorful felt-tip pens were useful in such case.