The strategic position of Beijing is very important. To the south of Beijing is the North China Plain. Beijing is a great barrier to prevent the invasion of nomadic people in the north!
Beijing has a long history. During the Spring and Autumn Period, the State of Yan once built a city (thistle) here!
The traffic in Beijing is very developed. After Qin unified the six countries, Chidao was built. At that time, Beijing, as the capital of Yan State (Ji), was the place where Chidao passed! The starting point of the Grand Canal built in Sui Dynasty is Beijing!
5. For climatic reasons, the ruling classes in Yuan Dynasty and Qing Dynasty were all northern minorities. The climate in their previous area was similar to that in Beijing, and they didn't adapt to the hot and humid south, so they chose Beijing!
Lei Zi original, please do not paste!