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
고대 로마의 암플루비움은 비를 모으기 위한 구조물이었다.godae romaui ampeullubium-eun bireul mo-eugi wihan gujo-mul-ieotda.The impluvium of ancient Rome was a structure designed to collect rainwater.