Some of the awnings on ancient cars are made of awnings, some are made of linen, etc. , the top is relatively steep, and it is raised to the edge of the awning to become a curve. The advantage of this is that it can not block the sight of the passengers. The second is to make the rain on the canopy drain farther. The main content of this passage is:. ['Introduce the materials and characteristics of the ancient car cover.', 'Introduce the shape and function of the ancient car cover.', 'Explain that the design of the ancient car cover is very practical.', 'Explain that the ancient car canopy is designed with both practicality and aesthetics in mind.']