공사 당시, 도시개발로 인근의 풍남문 성벽이 철거되자, 성벽의 흙과 돌을 가져다가 사용하였다.
While the construction was going on, the walls of Pungnammun Gate near the site were demolished due to urban development. The stones and earth from the wall were brought to be used to build this church.