The cheapest way to deliver power is to put up a bunch of wood poles and string lines. (dotearth.blogs.nytimes.com)
In addition, I am revisiting forms from earlier work, such as long wood poles, and solid plaster forms, to rethink their relationship to my current work process. (oliviabernard.com)
And because film is so light, you can use cheap infrastructure; in this case the balloons are supported by wire cables strung between vertical wood poles. (discovermagazine.com)