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[[File:Great Wall of China (2).jpg|thumb|225px|The Great Wall of China]]

[[File:Great Wall of China (2).jpg|thumb|225px|The Great Wall of China]]

{{See also|Great Wall of China}}

{{See also|Great Wall of China}}

The Great Wall of China is 5,500 miles (8,850 km) long.<ref name="Britannica">[https://www.britannica.com/topic/Great-Wall-of-China Great Wall of China]. ''Encyclopædia Britannica''. Retrieved August 26, 2017.</ref> The first parts of the wall were constructed in the 600s B.C., but Emperor [[Qin Shi Huang]] is remembered for his role in building and expanding the wall.<ref name="Britannica"/> The wall was repaired and expanded through the [[Ming Dynasty]] in the late Middle Ages and Early Modern Period.<ref name="Britannica"/>

The Great Wall of China is 5,500 miles (8,850 km) long.<ref name="Britannica">[https://www.britannica.com/topic/Great-Wall-of-China Great Wall of China]. ''Encyclopædia Britannica''. Retrieved August 26, 2017.</ref> The first parts of the wall were constructed in the 600s B.C., but Emperor [[Qin Shi Huang]] is remembered for his role in building and expanding the wall.<ref name="Britannica"/> The wall was repaired and expanded through the [[Ming Dynasty]] in the late Middle Ages and Early Modern Period.<ref name="Britannica"/> THe purpose of the wall was to protect China from the [[Mongolia]]ns in the north.<ref name="Britannica"/>

==Roman limes==

==Roman limes==