Tuyến đường GPS công khai của Helina
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bởi Helina The data was collected by students during their GIS lab course. |
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bởi Helina The data was collected by students during their GIS lab course. |
OpenStreetMap
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bởi Helina The data was collected by students during their GIS lab course. |
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bởi Helina The data was collected by students during their GIS lab course. |