sentence: Some artists create giant bubbles or tubes, often enveloping objects or even humans.
sentences_before: Soap bubble performances combine entertainment with artistic achievement. They require a high degree of skill as well as perfect bubble suds.
sentences_after: Others manage to create  bubbles forming cubes, tetrahedra and other shapes or sculptures. Bubbles are often handled with bare hands. To add to the visual experience, they are sometimes filled with smoke or helium and combined with laser lights or fire. Soap bubbles can be filled with a flammable gas such as natural gas and then set on fire.
concept_name: artist
headings: Soap bubble Performance art
categories: Water