What does double shadow mean?

What does it mean to have overlapping images? This term can be understood in both its literal and extended meanings. Literally, "stack" means overlapping layers, while "shadow" means the image of light or image. When combined together, it refers to the image formed by overlapping. It can also be interpreted as showing similar but not exactly the same image. image or thing.

Double shadowing is a widely used technique in art, with several common expressions. One of them is to use the interweaving and interweaving of colors and lines in paintings to create a unique atmosphere and look. At the same time, in the field of photography, double shadowing is also a common technique, mostly used in portrait photography. Through superimposed shadows, multiple faces, personalities and characteristics of a person can be shown, emphasizing their multi-dimensional character traits in a certain way.

Double shadows also have certain applications and symbolic meanings in life. For example, the image formed by the reflection of a building or artwork is also an application of double shadow. In literary works such as fables and classical Chinese, superimposed images are often used to express meaning. At the same time, many people regard the film as a philosophy of life, believing that everyone has a different life trajectory and life course, but in the end they all leave a unique shadow in our own lives.