人工河 Traditional form: 人工河 Pinyin (reading): réngōnghé Definitions: canal man-made waterway Characters: 人 - man, person; people 工 - labor, work; laborer, worker 河 - river, stream; the Yellow river Traditional characters: 人 - man, person; people 工 - labor, work; laborer, worker 河 - river, stream; the Yellow river