20 10 Spring Festival Gala, with various programs: cross talk, sketches, songs, dances, acrobatics, etc. At the same time, a very special program-hand shadow appeared. (Spring Festival Evening brings out "hand shadow", which is a hot topic and can attract readers more. The so-called hand shadow is the shadow made by hand with the help of light. But don't underestimate it. It can make images of birds, rabbits, dogs and people. Through the bending and straightening of palms and fingers and the combination of hands. (Give a brief introduction to the hand shadow, so that readers can have a preliminary understanding and impression of the hand shadow.) It is said that a virtuous princess of Emperor Wu of the Han Dynasty died, and he was very sad and ignored state affairs. Some charlatans cut out the portrait of the virtuous princess, put down the curtains and hit the shadow of the virtuous princess on the curtains with light. The emperor really thought she was born again. Later, hand shadow gradually evolved into a special folk art. Introduce the origin of hand shadow art from legend. Although it remains to be verified, such a legend is still very attractive and infectious. I'll teach you! Let's take a look at this lovely bird first! (With the foreshadowing in front, the reader's interest is aroused. Here are the specific methods of expression, which are natural. This action is very simple: first, put the palms of two palms inward, cross your hands, put your two thumbs together, and put the other four fingers naturally straight between the light and the wall, and a lovely hand shadow bird jumps on the wall! (This explanatory text is accompanied by illustrations, which illustrate several key points.