2. Then, the magician will ask the assistant to pull a piece of cloth, but he can still see that there is nothing at the bottom of the stage, as shown in the picture below.
The secret is that there is a large group of people under the stage, and the audience can't see the bottom of the stage, as shown below.
4. There is a lifting platform directly below the foundation. When pulling cloth, someone is standing in the lifting platform, as shown in the figure below.
5. People rise from the foundation, as shown in the figure below.
6. That's it. When the assistant takes the cloth away, you will see a big change, as shown in the figure below.