Why are there so many doors in Beijing?

There are many gates in Beijing, and there are many historical, cultural and geographical factors.

First of all, the planning and design of Beijing is deeply influenced by ancient geomantic omen, and pays attention to the harmony between heaven and earth. Natural factors such as the topography, water system and climate of the city, as well as human factors such as the function, scale and layout of the city, all have an impact on the setting of the city gate.

Secondly, as an important passage of the city, the city gate should not only meet the traffic demand, but also show the image and characteristics of the city. Therefore, the number and location of city gates, as well as their symbolic significance and historical background, all reflect the history and culture of Beijing's urban development.

In addition, the reconstruction of Beijing is also related to the setting of city gates. In the process of urban development, some original gates may be demolished or closed, and some new gates will be built to meet the needs of urban development.

In a word, the numerous gates in Beijing not only reflect the traffic, culture and historical background of the city, but also reflect its development and changes.