Igiyar samar da wutar lantarki dake tsakanin tashar wutar lantarki ta Daban ta gundumar Menyuan ta jihar Haibei ta lardin Qinghai, da gundumar Datong ta birnin Xining na lardin Qinhai ta kai tsawon kilomita 70, wadda ta kuma ta ratsa tsaunin Daban mai tsawon mita 4000. (Maryam)