If there is one place that you will almost surely see a backdrop, it is a theater play. They are normally images or paintings that look like geographical locations. A backdrop representing a place will make you feel as if you were exact at the time. Therefore, the towers and the good scenes make the viewer feel inside the game because it gives the right state of mind.
You can make your own background if you need a play or buy it. It is more convenient to rent a backdrop so that you can use it, then return it easily. It is not an easy thing to make a background by yourself so you might be better off not trying. You can check out the backdrop via https://www.hypop.com.au/collections/paper-backdrops.
It is still possible, if you have the correct planning and the good knowledge of what needs to be done. The materials needed to make the backdrop are also crazy expensive. This justifies the more rent or purchase option.
Remember to have a different background for each performance to work. The other place where they are useful are where there is a theme party. They will improve the frame very well. Even if you will see them in almost all the other steps, it does not mean that they are only for that.
A good backdrop should attract attention and public approval. Make sure the backdrop serves the audience a good look, with a mix of color and a dream landscape, which gives it a feeling of body.