Yu Qin (Chinese: 于钦, 1284–1333) was a well-known Chinese geographer living in the Mongol Yuan Dynasty. In 1319 AD, he was appointed the official of Jinan to resolve the starvation problem caused by bad harvesting. He started to write the famous geography book Qi Cheng (齐乘) during this period, which was the oldest known geography book about Shandong Province which was located summer capital city of Khubilai khan of Mongolian empire.
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