In our living environment, the aspect ratio of doors, windows, tables, boxes and books is about 0.6 18. Even for the aspect ratio of ordinary leaves, the ratio of the body length to the wing length of butterflies after deployment is close to 0.6 18.

The ratio of legs to bodies of graceful fashion models and dancers who have just danced is similar to that of 0.6 18. Any pattern with this ratio will look harmonious, balanced, comfortable and aesthetic. The paper used in life is a golden rectangle, which makes people look comfortable and pleasing to the eye. Paper obtained by conventional cutting methods does not consider its size, such as 8, 16, 32, etc. , is still an approximate golden rectangle.

The people in the photo are arranged near the "well", which looks beautiful, harmonious, rhythmic and so on.