3500 bc
then and now
4000 BC to 2205 BC
It was a very long time ago and modern science did not exist during this Time Period.
Ancient China isn't a place it means China a long long time ago.
No. Ancient China had emperors, starting with Qin Shiuangdi, meaning "the first emperor". There were several different dynasties, or the period of time a certain family rules the empire. For example, there are the Shang, Zhou, Qin and Han dynasties in China.
It only exist during ancient time in Greek
which time period?
yes
A calendar.
Ancient Greece is at 328 BC (1 o'clock), but it is not in ruins. The Great Wall of China is at 1593 AD (6 o'clock on the time device) and the construction there may make it seem in disrepair.
the warring states period was a time of unbalanced power in china
20bc