How did the man in Hunan Satellite TV's Who's the Hero make a goldfish bowl?

It's simple. In the props. First of all, the fish tank is separate. Simply put, it's a little trick before taking it out.

1 aquarium spectators won't find anything in the fight wearing them.

Fish and water are surrounded by transparent polyethylene, just like a transparent plastic belt, but the thin polyethylene soaked in titanium tetrachloride has good performance and is strong and transparent:

Fish and water wrapped in polyethylene are in the cloth. When facing the audience, put the fish and water wrapped in polyethylene into the fish tank. Because polyethylene is transparent, the audience can only see fish tanks filled with fish and water, but can't see transparent polyethylene.