2011-03-252011-03-257-30-99 6:2002https://hdl.handle.net/1911/58177The origin of the image is Domestic. Watermark Unknown.DrawingDomesticBeijing Metro Map,metromapa02bmetromapa02b［无中文］ []Metro ServicePublic Service AdsBeijing Metro Mapnewspapers [报纸]