lets with the great wall of china
no
The region area or country borders china on the east is East China Sea and South China Sea.
10000 km
china
The Sea of Japan and the East China Sea are the western borders. (there are no land borders)
Any colonial territory in the South China Sea.
In the ancient times, China only had to rely on its natural borders to defend itself. These borders include the Himalayas to the southwest, the Taklimakan Desert to the west, the Yellow Sea to the northeast and the China Sea to the southeast.
The natural borders that icolate china are the Himalayins, the yellow sea, and all the deserts.
the great wall of china starts on the bo hai coast an inlet of the bohai sea.
The South China Sea is the sea that borders Hong Kong.
That's I China so I'd guess the great wall.