what are the natural barriers of china in the north?

what are the natural barriers of china in the south?

what are the natural barriers of china in the east?

what are the natural barriers of china in the west?

Xia dynasty

Shang dynasty

warring states period

Qin dynasty

Han dynasty

where were the earliest settlements?

when did the Chinese start farming?

what is a Dynasty?

who were the early states ruled by?

what is the first of China's unique assets?

what is the second of china's unique assets?

what is the third of china's unique assets?

what is the fourth of china's unique assets?

north west of Beijing.

north to Beijing.

south to the tibetan plateau.