The traditional residence in Beijing is _ _ _ _ _ _, and the largest and most well-preserved palace complex in Beijing is _ _ _ _ _

Siheyuan is the main traditional residence in Beijing, and it is also the basic form of architectural layout of traditional residence in China. It has a long history. Its embryonic form was produced as far back as Shang and Zhou Dynasties, and Yuan Dynasty was the main place and form of residence, which was developed and perfected in Ming and Qing Dynasties. The Forbidden City, also known as the Forbidden City, is the imperial palace in Ming and Qing Dynasties, and it is the largest and most well-preserved ancient architectural complex in China. The Forbidden City, an unparalleled masterpiece of ancient architecture, covers an area of more than 720,000 square meters and has more than 9,000 palaces, all of which are made of wooden structures, yellow glazed tiles and blue-white stone foundations, decorated with brilliant colored paintings. These palaces are arranged along a north-south central axis, spreading to both sides and straight from north to south. Moreover, there are Yongdingmen in the south and Drum Tower and Bell Tower in the north, which run through the whole city with great momentum and careful planning. Architects believe that the design and architecture of the Forbidden City are really unparalleled masterpieces, and its plane layout, three-dimensional effect, grandeur and harmonious form can be said to be rare in the world. It marks the long cultural tradition of our motherland and has been displayed for 500 years.

So, the answer is: quadrangles; Forbidden city.