Pruning is a commong practice that involves removing certain parts of a plant to help improve or maintain its health. It also helps reduce the chances that any branches fall on people and keeping it safe from possible disease. For some trees, instead of letting them grow to giant proportions, you can actually prune them to a certain point so they instead grow to be the size of bushes.
In this tutorial, you'll find out exactly how to prune trees into bushes. It takes time, patience, and constant pruning, so good luck and enjoy!