▁to ▁send ▁their ▁maps , ▁the ▁Y uan ▁D ynast y ▁was ▁able ▁to ▁publish ▁a ▁map ▁describing ▁the ▁whole ▁Mong ol ▁world ▁in ▁c . 1 3 3 0 . ▁This ▁is ▁called ▁" H si - pe i ▁pi ▁ti - li ▁tu ". ▁The ▁map ▁includes ▁the ▁Mong ol ▁domin ions ▁including ▁ 3 0 ▁cities ▁in ▁Iran ▁such ▁as ▁I sp ah an ▁and ▁the ▁Il k han id ▁capital ▁Sol t ani ye h , ▁and ▁Russia ▁( as ▁" Or ash ") ▁as ▁well ▁as ▁their ▁neighb ors , ▁e . g . ▁Egypt ▁and ▁Sy ria . ▁ ▁M ing ▁ ▁The ▁Da ▁M ing ▁hun yi ▁tu ▁map , ▁d ating ▁from ▁about ▁ 1 3 9 0 , ▁is ▁in ▁mult icol our . ▁The ▁horizontal ▁scale ▁is ▁ 1 : 8 2 0 , 0 0 0 ▁and ▁the ▁vertical ▁scale ▁is ▁ 1 : 1 , 0 6 0 , 0 0 0 . ▁ ▁In ▁ 1 5 7 9 , ▁Lu o ▁Hong x ian ▁published ▁the ▁Gu ang ▁Y ut u ▁at las , ▁including ▁more ▁than ▁ 4 0 ▁maps , ▁a ▁grid ▁system , ▁and ▁a ▁system atic ▁way ▁of ▁representing ▁major ▁land marks ▁such ▁as ▁mountains , ▁rivers , ▁roads ▁and ▁borders . ▁The ▁Gu ang ▁Y ut u ▁incorpor ates ▁the ▁discover ies ▁of ▁naval ▁expl orer ▁Zh eng ▁He ' s ▁ 1 5 th - century ▁voy ages ▁along ▁the ▁coast s ▁of