What you are asking is how the multiple shadows of dance are formed. The multiple shadow doppelganger of dance is formed like this:

1, turn on the phone, click on the short video of vibrato, and click on the plus sign in the middle.

2. Click on the props on the left, click on the novelty, and then click on the shadow avatar.

3. Point the phone at the subject, click the shoot button, and the avatar effect will appear.